Home / 137,268.87-205,877.94-42,481.38

Finding the Fourth Proportional to 137,268.87, 205,877.94 and 42,481.38

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Solution

The fourth proportional to 137,268.87, 205,877.94 and 42,481.38 is: 63,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,268.87 : 205,877.94 = 42,481.38 : x
  2. Step 2: Convert to fraction form
    137,268.87/205,877.94 = 42,481.38/x
  3. Step 3: Cross multiply
    137,268.87x = 205,877.94 × 42,481.38
  4. Step 4: Simplify right side
    137,268.87x = 8,745,979,002.76
  5. Step 5: Solve for x
    x = 8,745,979,002.76/137,268.87
  6. Step 6: Final answer
    x = 63,714.22

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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.