Home / 231,581.25-319,582.13-125,597.25

Finding the Fourth Proportional to 231,581.25, 319,582.13 and 125,597.25

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Solution

The fourth proportional to 231,581.25, 319,582.13 and 125,597.25 is: 173,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,581.25 : 319,582.13 = 125,597.25 : x
  2. Step 2: Convert to fraction form
    231,581.25/319,582.13 = 125,597.25/x
  3. Step 3: Cross multiply
    231,581.25x = 319,582.13 × 125,597.25
  4. Step 4: Simplify right side
    231,581.25x = 40,138,636,049.16
  5. Step 5: Solve for x
    x = 40,138,636,049.16/231,581.25
  6. Step 6: Final answer
    x = 173,324.21

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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.