Home / 148,936.60-223,404.90-137,531.80

Finding the Fourth Proportional to 148,936.60, 223,404.90 and 137,531.80

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Solution

The fourth proportional to 148,936.60, 223,404.90 and 137,531.80 is: 206,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,936.60 : 223,404.90 = 137,531.80 : x
  2. Step 2: Convert to fraction form
    148,936.60/223,404.90 = 137,531.80/x
  3. Step 3: Cross multiply
    148,936.60x = 223,404.90 × 137,531.80
  4. Step 4: Simplify right side
    148,936.60x = 30,725,278,025.82
  5. Step 5: Solve for x
    x = 30,725,278,025.82/148,936.60
  6. Step 6: Final answer
    x = 206,297.70

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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.