Home / 89,118-122,982.84-49,374

Finding the Fourth Proportional to 89,118, 122,982.84 and 49,374

Calculator

Solution

The fourth proportional to 89,118, 122,982.84 and 49,374 is: 68,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,118 : 122,982.84 = 49,374 : x
  2. Step 2: Convert to fraction form
    89,118/122,982.84 = 49,374/x
  3. Step 3: Cross multiply
    89,118x = 122,982.84 × 49,374
  4. Step 4: Simplify right side
    89,118x = 6,072,154,742.16
  5. Step 5: Solve for x
    x = 6,072,154,742.16/89,118
  6. Step 6: Final answer
    x = 68,136.12

Related Problems

Find fourth proportional to 44,559, 61,491.42 and 24,687
Half scale
Find fourth proportional to 178,236, 245,965.68 and 98,748
Double scale
Find fourth proportional to 89,119, 122,984.22 and 49,375
Similar ratio
Find fourth proportional to 133,677, 184,474.26 and 74,061
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.