Home / 125,085.27-172,614.33-71,369.31

Finding the Fourth Proportional to 125,085.27, 172,614.33 and 71,369.31

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Solution

The fourth proportional to 125,085.27, 172,614.33 and 71,369.31 is: 98,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,085.27 : 172,614.33 = 71,369.31 : x
  2. Step 2: Convert to fraction form
    125,085.27/172,614.33 = 71,369.31/x
  3. Step 3: Cross multiply
    125,085.27x = 172,614.33 × 71,369.31
  4. Step 4: Simplify right side
    125,085.27x = 12,319,365,628.21
  5. Step 5: Solve for x
    x = 12,319,365,628.21/125,085.27
  6. Step 6: Final answer
    x = 98,487.74

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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.