Home / 120,693.70-169,321.10-120,693.70

Finding the Fourth Proportional to 120,693.70, 169,321.10 and 120,693.70

Calculator

Solution

The fourth proportional to 120,693.70, 169,321.10 and 120,693.70 is: 169,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,693.70 : 169,321.10 = 120,693.70 : x
  2. Step 2: Convert to fraction form
    120,693.70/169,321.10 = 120,693.70/x
  3. Step 3: Cross multiply
    120,693.70x = 169,321.10 × 120,693.70
  4. Step 4: Simplify right side
    120,693.70x = 20,435,990,047.07
  5. Step 5: Solve for x
    x = 20,435,990,047.07/120,693.70
  6. Step 6: Final answer
    x = 169,321.10

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.