Home / 125,032.29-172,540.31-71,334.69

Finding the Fourth Proportional to 125,032.29, 172,540.31 and 71,334.69

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Solution

The fourth proportional to 125,032.29, 172,540.31 and 71,334.69 is: 98,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,032.29 : 172,540.31 = 71,334.69 : x
  2. Step 2: Convert to fraction form
    125,032.29/172,540.31 = 71,334.69/x
  3. Step 3: Cross multiply
    125,032.29x = 172,540.31 × 71,334.69
  4. Step 4: Simplify right side
    125,032.29x = 12,308,109,169.68
  5. Step 5: Solve for x
    x = 12,308,109,169.68/125,032.29
  6. Step 6: Final answer
    x = 98,439.44

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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.