Home / 138,024.11-207,036.18-43,254.26

Finding the Fourth Proportional to 138,024.11, 207,036.18 and 43,254.26

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Solution

The fourth proportional to 138,024.11, 207,036.18 and 43,254.26 is: 64,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,024.11 : 207,036.18 = 43,254.26 : x
  2. Step 2: Convert to fraction form
    138,024.11/207,036.18 = 43,254.26/x
  3. Step 3: Cross multiply
    138,024.11x = 207,036.18 × 43,254.26
  4. Step 4: Simplify right side
    138,024.11x = 8,955,195,723.95
  5. Step 5: Solve for x
    x = 8,955,195,723.95/138,024.11
  6. Step 6: Final answer
    x = 64,881.39

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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.