Home / 149,020.91-223,531.60-69,015.29

Finding the Fourth Proportional to 149,020.91, 223,531.60 and 69,015.29

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Solution

The fourth proportional to 149,020.91, 223,531.60 and 69,015.29 is: 103,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020.91 : 223,531.60 = 69,015.29 : x
  2. Step 2: Convert to fraction form
    149,020.91/223,531.60 = 69,015.29/x
  3. Step 3: Cross multiply
    149,020.91x = 223,531.60 × 69,015.29
  4. Step 4: Simplify right side
    149,020.91x = 15,427,098,294.74
  5. Step 5: Solve for x
    x = 15,427,098,294.74/149,020.91
  6. Step 6: Final answer
    x = 103,523.04

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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.