Home / 231,275.35-347,044.25-91,132.39

Finding the Fourth Proportional to 231,275.35, 347,044.25 and 91,132.39

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Solution

The fourth proportional to 231,275.35, 347,044.25 and 91,132.39 is: 136,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,275.35 : 347,044.25 = 91,132.39 : x
  2. Step 2: Convert to fraction form
    231,275.35/347,044.25 = 91,132.39/x
  3. Step 3: Cross multiply
    231,275.35x = 347,044.25 × 91,132.39
  4. Step 4: Simplify right side
    231,275.35x = 31,626,972,087.27
  5. Step 5: Solve for x
    x = 31,626,972,087.27/231,275.35
  6. Step 6: Final answer
    x = 136,750.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.