Home / 125,049.44-172,552.10-71,331.26

Finding the Fourth Proportional to 125,049.44, 172,552.10 and 71,331.26

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Solution

The fourth proportional to 125,049.44, 172,552.10 and 71,331.26 is: 98,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,049.44 : 172,552.10 = 71,331.26 : x
  2. Step 2: Convert to fraction form
    125,049.44/172,552.10 = 71,331.26/x
  3. Step 3: Cross multiply
    125,049.44x = 172,552.10 × 71,331.26
  4. Step 4: Simplify right side
    125,049.44x = 12,308,358,708.65
  5. Step 5: Solve for x
    x = 12,308,358,708.65/125,049.44
  6. Step 6: Final answer
    x = 98,427.94

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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.