Home / 137,139.20-205,603.98-94,906.88

Finding the Fourth Proportional to 137,139.20, 205,603.98 and 94,906.88

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Solution

The fourth proportional to 137,139.20, 205,603.98 and 94,906.88 is: 142,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,139.20 : 205,603.98 = 94,906.88 : x
  2. Step 2: Convert to fraction form
    137,139.20/205,603.98 = 94,906.88/x
  3. Step 3: Cross multiply
    137,139.20x = 205,603.98 × 94,906.88
  4. Step 4: Simplify right side
    137,139.20x = 19,513,232,257.38
  5. Step 5: Solve for x
    x = 19,513,232,257.38/137,139.20
  6. Step 6: Final answer
    x = 142,287.78

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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.