Home / 137,382.82-206,103.62-42,610.92

Finding the Fourth Proportional to 137,382.82, 206,103.62 and 42,610.92

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Solution

The fourth proportional to 137,382.82, 206,103.62 and 42,610.92 is: 63,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,382.82 : 206,103.62 = 42,610.92 : x
  2. Step 2: Convert to fraction form
    137,382.82/206,103.62 = 42,610.92/x
  3. Step 3: Cross multiply
    137,382.82x = 206,103.62 × 42,610.92
  4. Step 4: Simplify right side
    137,382.82x = 8,782,264,863.53
  5. Step 5: Solve for x
    x = 8,782,264,863.53/137,382.82
  6. Step 6: Final answer
    x = 63,925.50

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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.