Home / 102,306.65-153,470.57-39,126.38

Finding the Fourth Proportional to 102,306.65, 153,470.57 and 39,126.38

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Solution

The fourth proportional to 102,306.65, 153,470.57 and 39,126.38 is: 58,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,306.65 : 153,470.57 = 39,126.38 : x
  2. Step 2: Convert to fraction form
    102,306.65/153,470.57 = 39,126.38/x
  3. Step 3: Cross multiply
    102,306.65x = 153,470.57 × 39,126.38
  4. Step 4: Simplify right side
    102,306.65x = 6,004,746,877.65
  5. Step 5: Solve for x
    x = 6,004,746,877.65/102,306.65
  6. Step 6: Final answer
    x = 58,693.62

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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.