Home / 149,374.26-223,545.84-92,424.78

Finding the Fourth Proportional to 149,374.26, 223,545.84 and 92,424.78

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Solution

The fourth proportional to 149,374.26, 223,545.84 and 92,424.78 is: 138,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,374.26 : 223,545.84 = 92,424.78 : x
  2. Step 2: Convert to fraction form
    149,374.26/223,545.84 = 92,424.78/x
  3. Step 3: Cross multiply
    149,374.26x = 223,545.84 × 92,424.78
  4. Step 4: Simplify right side
    149,374.26x = 20,661,175,081.92
  5. Step 5: Solve for x
    x = 20,661,175,081.92/149,374.26
  6. Step 6: Final answer
    x = 138,318.18

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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.