Home / 137,318.03-206,006.45-42,546.11

Finding the Fourth Proportional to 137,318.03, 206,006.45 and 42,546.11

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Solution

The fourth proportional to 137,318.03, 206,006.45 and 42,546.11 is: 63,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,318.03 : 206,006.45 = 42,546.11 : x
  2. Step 2: Convert to fraction form
    137,318.03/206,006.45 = 42,546.11/x
  3. Step 3: Cross multiply
    137,318.03x = 206,006.45 × 42,546.11
  4. Step 4: Simplify right side
    137,318.03x = 8,764,773,082.41
  5. Step 5: Solve for x
    x = 8,764,773,082.41/137,318.03
  6. Step 6: Final answer
    x = 63,828.28

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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.