Home / 138,610.02-207,937.46-54,324.48

Finding the Fourth Proportional to 138,610.02, 207,937.46 and 54,324.48

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Solution

The fourth proportional to 138,610.02, 207,937.46 and 54,324.48 is: 81,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,610.02 : 207,937.46 = 54,324.48 : x
  2. Step 2: Convert to fraction form
    138,610.02/207,937.46 = 54,324.48/x
  3. Step 3: Cross multiply
    138,610.02x = 207,937.46 × 54,324.48
  4. Step 4: Simplify right side
    138,610.02x = 11,296,094,387.02
  5. Step 5: Solve for x
    x = 11,296,094,387.02/138,610.02
  6. Step 6: Final answer
    x = 81,495.51

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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.