Home / 102,472.20-153,542.70-57,966.60

Finding the Fourth Proportional to 102,472.20, 153,542.70 and 57,966.60

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Solution

The fourth proportional to 102,472.20, 153,542.70 and 57,966.60 is: 86,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,472.20 : 153,542.70 = 57,966.60 : x
  2. Step 2: Convert to fraction form
    102,472.20/153,542.70 = 57,966.60/x
  3. Step 3: Cross multiply
    102,472.20x = 153,542.70 × 57,966.60
  4. Step 4: Simplify right side
    102,472.20x = 8,900,348,273.82
  5. Step 5: Solve for x
    x = 8,900,348,273.82/102,472.20
  6. Step 6: Final answer
    x = 86,856.22

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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.