Home / 125,081.20-172,613.46-71,373.34

Finding the Fourth Proportional to 125,081.20, 172,613.46 and 71,373.34

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Solution

The fourth proportional to 125,081.20, 172,613.46 and 71,373.34 is: 98,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,081.20 : 172,613.46 = 71,373.34 : x
  2. Step 2: Convert to fraction form
    125,081.20/172,613.46 = 71,373.34/x
  3. Step 3: Cross multiply
    125,081.20x = 172,613.46 × 71,373.34
  4. Step 4: Simplify right side
    125,081.20x = 12,319,999,169.16
  5. Step 5: Solve for x
    x = 12,319,999,169.16/125,081.20
  6. Step 6: Final answer
    x = 98,496.01

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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.