Home / 108,269.25-149,407.09-62,945.29

Finding the Fourth Proportional to 108,269.25, 149,407.09 and 62,945.29

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Solution

The fourth proportional to 108,269.25, 149,407.09 and 62,945.29 is: 86,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,269.25 : 149,407.09 = 62,945.29 : x
  2. Step 2: Convert to fraction form
    108,269.25/149,407.09 = 62,945.29/x
  3. Step 3: Cross multiply
    108,269.25x = 149,407.09 × 62,945.29
  4. Step 4: Simplify right side
    108,269.25x = 9,404,472,608.11
  5. Step 5: Solve for x
    x = 9,404,472,608.11/108,269.25
  6. Step 6: Final answer
    x = 86,861.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.