Home / 137,425.28-205,901.19-107,427.87

Finding the Fourth Proportional to 137,425.28, 205,901.19 and 107,427.87

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Solution

The fourth proportional to 137,425.28, 205,901.19 and 107,427.87 is: 160,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,425.28 : 205,901.19 = 107,427.87 : x
  2. Step 2: Convert to fraction form
    137,425.28/205,901.19 = 107,427.87/x
  3. Step 3: Cross multiply
    137,425.28x = 205,901.19 × 107,427.87
  4. Step 4: Simplify right side
    137,425.28x = 22,119,526,272.17
  5. Step 5: Solve for x
    x = 22,119,526,272.17/137,425.28
  6. Step 6: Final answer
    x = 160,956.75

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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.