Home / 102,285.29-153,522.53-51,719.97

Finding the Fourth Proportional to 102,285.29, 153,522.53 and 51,719.97

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Solution

The fourth proportional to 102,285.29, 153,522.53 and 51,719.97 is: 77,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,285.29 : 153,522.53 = 51,719.97 : x
  2. Step 2: Convert to fraction form
    102,285.29/153,522.53 = 51,719.97/x
  3. Step 3: Cross multiply
    102,285.29x = 153,522.53 × 51,719.97
  4. Step 4: Simplify right side
    102,285.29x = 7,940,180,020.02
  5. Step 5: Solve for x
    x = 7,940,180,020.02/102,285.29
  6. Step 6: Final answer
    x = 77,627.78

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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.