Home / 133,509-184,242.60-83,208

Finding the Fourth Proportional to 133,509, 184,242.60 and 83,208

Calculator

Solution

The fourth proportional to 133,509, 184,242.60 and 83,208 is: 114,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,509 : 184,242.60 = 83,208 : x
  2. Step 2: Convert to fraction form
    133,509/184,242.60 = 83,208/x
  3. Step 3: Cross multiply
    133,509x = 184,242.60 × 83,208
  4. Step 4: Simplify right side
    133,509x = 15,330,458,260.80
  5. Step 5: Solve for x
    x = 15,330,458,260.80/133,509
  6. Step 6: Final answer
    x = 114,827.15

Related Problems

Find fourth proportional to 66,754.50, 92,121.30 and 41,604
Half scale
Find fourth proportional to 267,018, 368,485.20 and 166,416
Double scale
Find fourth proportional to 133,510, 184,243.98 and 83,209
Similar ratio
Find fourth proportional to 200,263.50, 276,363.90 and 124,812
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.