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Finding the Fourth Proportional to 137,159.46, 204,507 and 125,443.62

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Solution

The fourth proportional to 137,159.46, 204,507 and 125,443.62 is: 187,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,159.46 : 204,507 = 125,443.62 : x
  2. Step 2: Convert to fraction form
    137,159.46/204,507 = 125,443.62/x
  3. Step 3: Cross multiply
    137,159.46x = 204,507 × 125,443.62
  4. Step 4: Simplify right side
    137,159.46x = 25,654,098,395.34
  5. Step 5: Solve for x
    x = 25,654,098,395.34/137,159.46
  6. Step 6: Final answer
    x = 187,038.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.