Home / 104,362.38-144,016.20-56,614.71

Finding the Fourth Proportional to 104,362.38, 144,016.20 and 56,614.71

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Solution

The fourth proportional to 104,362.38, 144,016.20 and 56,614.71 is: 78,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,362.38 : 144,016.20 = 56,614.71 : x
  2. Step 2: Convert to fraction form
    104,362.38/144,016.20 = 56,614.71/x
  3. Step 3: Cross multiply
    104,362.38x = 144,016.20 × 56,614.71
  4. Step 4: Simplify right side
    104,362.38x = 8,153,435,398.30
  5. Step 5: Solve for x
    x = 8,153,435,398.30/104,362.38
  6. Step 6: Final answer
    x = 78,126.19

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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.