Home / 137,545.30-206,249.90-48,785.50

Finding the Fourth Proportional to 137,545.30, 206,249.90 and 48,785.50

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Solution

The fourth proportional to 137,545.30, 206,249.90 and 48,785.50 is: 73,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,545.30 : 206,249.90 = 48,785.50 : x
  2. Step 2: Convert to fraction form
    137,545.30/206,249.90 = 48,785.50/x
  3. Step 3: Cross multiply
    137,545.30x = 206,249.90 × 48,785.50
  4. Step 4: Simplify right side
    137,545.30x = 10,062,003,465.20
  5. Step 5: Solve for x
    x = 10,062,003,465.20/137,545.30
  6. Step 6: Final answer
    x = 73,154.11

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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.