Home / 437,566.13-656,349.20-105,142.13

Finding the Fourth Proportional to 437,566.13, 656,349.20 and 105,142.13

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Solution

The fourth proportional to 437,566.13, 656,349.20 and 105,142.13 is: 157,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,566.13 : 656,349.20 = 105,142.13 : x
  2. Step 2: Convert to fraction form
    437,566.13/656,349.20 = 105,142.13/x
  3. Step 3: Cross multiply
    437,566.13x = 656,349.20 × 105,142.13
  4. Step 4: Simplify right side
    437,566.13x = 69,009,949,104.34
  5. Step 5: Solve for x
    x = 69,009,949,104.34/437,566.13
  6. Step 6: Final answer
    x = 157,713.19

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.