Home / 125,095.92-172,652.52-71,383.20

Finding the Fourth Proportional to 125,095.92, 172,652.52 and 71,383.20

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Solution

The fourth proportional to 125,095.92, 172,652.52 and 71,383.20 is: 98,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,095.92 : 172,652.52 = 71,383.20 : x
  2. Step 2: Convert to fraction form
    125,095.92/172,652.52 = 71,383.20/x
  3. Step 3: Cross multiply
    125,095.92x = 172,652.52 × 71,383.20
  4. Step 4: Simplify right side
    125,095.92x = 12,324,489,365.66
  5. Step 5: Solve for x
    x = 12,324,489,365.66/125,095.92
  6. Step 6: Final answer
    x = 98,520.31

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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.