Home / 124,909.25-172,370.43-71,211.56

Finding the Fourth Proportional to 124,909.25, 172,370.43 and 71,211.56

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Solution

The fourth proportional to 124,909.25, 172,370.43 and 71,211.56 is: 98,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,909.25 : 172,370.43 = 71,211.56 : x
  2. Step 2: Convert to fraction form
    124,909.25/172,370.43 = 71,211.56/x
  3. Step 3: Cross multiply
    124,909.25x = 172,370.43 × 71,211.56
  4. Step 4: Simplify right side
    124,909.25x = 12,274,766,356.32
  5. Step 5: Solve for x
    x = 12,274,766,356.32/124,909.25
  6. Step 6: Final answer
    x = 98,269.48

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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.