Home / 153,246.38-229,869.56-42,438.38

Finding the Fourth Proportional to 153,246.38, 229,869.56 and 42,438.38

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Solution

The fourth proportional to 153,246.38, 229,869.56 and 42,438.38 is: 63,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,246.38 : 229,869.56 = 42,438.38 : x
  2. Step 2: Convert to fraction form
    153,246.38/229,869.56 = 42,438.38/x
  3. Step 3: Cross multiply
    153,246.38x = 229,869.56 × 42,438.38
  4. Step 4: Simplify right side
    153,246.38x = 9,755,290,694.46
  5. Step 5: Solve for x
    x = 9,755,290,694.46/153,246.38
  6. Step 6: Final answer
    x = 63,657.56

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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.