Home / 137,372.85-206,088.87-42,601.14

Finding the Fourth Proportional to 137,372.85, 206,088.87 and 42,601.14

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Solution

The fourth proportional to 137,372.85, 206,088.87 and 42,601.14 is: 63,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,372.85 : 206,088.87 = 42,601.14 : x
  2. Step 2: Convert to fraction form
    137,372.85/206,088.87 = 42,601.14/x
  3. Step 3: Cross multiply
    137,372.85x = 206,088.87 × 42,601.14
  4. Step 4: Simplify right side
    137,372.85x = 8,779,620,803.31
  5. Step 5: Solve for x
    x = 8,779,620,803.31/137,372.85
  6. Step 6: Final answer
    x = 63,910.89

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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.