Home / 178,248.06-267,398.97-77,073.78

Finding the Fourth Proportional to 178,248.06, 267,398.97 and 77,073.78

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Solution

The fourth proportional to 178,248.06, 267,398.97 and 77,073.78 is: 115,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,248.06 : 267,398.97 = 77,073.78 : x
  2. Step 2: Convert to fraction form
    178,248.06/267,398.97 = 77,073.78/x
  3. Step 3: Cross multiply
    178,248.06x = 267,398.97 × 77,073.78
  4. Step 4: Simplify right side
    178,248.06x = 20,609,449,386.01
  5. Step 5: Solve for x
    x = 20,609,449,386.01/178,248.06
  6. Step 6: Final answer
    x = 115,622.29

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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.