Home / 316,151.29-474,226.94-129,162.79

Finding the Fourth Proportional to 316,151.29, 474,226.94 and 129,162.79

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Solution

The fourth proportional to 316,151.29, 474,226.94 and 129,162.79 is: 193,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,151.29 : 474,226.94 = 129,162.79 : x
  2. Step 2: Convert to fraction form
    316,151.29/474,226.94 = 129,162.79/x
  3. Step 3: Cross multiply
    316,151.29x = 474,226.94 × 129,162.79
  4. Step 4: Simplify right side
    316,151.29x = 61,252,474,663.56
  5. Step 5: Solve for x
    x = 61,252,474,663.56/316,151.29
  6. Step 6: Final answer
    x = 193,744.19

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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.