Home / 148,545.60-222,818.40-137,140.80

Finding the Fourth Proportional to 148,545.60, 222,818.40 and 137,140.80

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Solution

The fourth proportional to 148,545.60, 222,818.40 and 137,140.80 is: 205,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,545.60 : 222,818.40 = 137,140.80 : x
  2. Step 2: Convert to fraction form
    148,545.60/222,818.40 = 137,140.80/x
  3. Step 3: Cross multiply
    148,545.60x = 222,818.40 × 137,140.80
  4. Step 4: Simplify right side
    148,545.60x = 30,557,493,630.72
  5. Step 5: Solve for x
    x = 30,557,493,630.72/148,545.60
  6. Step 6: Final answer
    x = 205,711.20

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1.5x scale

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.