Home / 137,119.32-205,748.19-62,191.68

Finding the Fourth Proportional to 137,119.32, 205,748.19 and 62,191.68

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Solution

The fourth proportional to 137,119.32, 205,748.19 and 62,191.68 is: 93,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,119.32 : 205,748.19 = 62,191.68 : x
  2. Step 2: Convert to fraction form
    137,119.32/205,748.19 = 62,191.68/x
  3. Step 3: Cross multiply
    137,119.32x = 205,748.19 × 62,191.68
  4. Step 4: Simplify right side
    137,119.32x = 12,795,825,593.06
  5. Step 5: Solve for x
    x = 12,795,825,593.06/137,119.32
  6. Step 6: Final answer
    x = 93,318.91

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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.