Home / 138,473.58-207,627.19-54,133.29

Finding the Fourth Proportional to 138,473.58, 207,627.19 and 54,133.29

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Solution

The fourth proportional to 138,473.58, 207,627.19 and 54,133.29 is: 81,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,473.58 : 207,627.19 = 54,133.29 : x
  2. Step 2: Convert to fraction form
    138,473.58/207,627.19 = 54,133.29/x
  3. Step 3: Cross multiply
    138,473.58x = 207,627.19 × 54,133.29
  4. Step 4: Simplify right side
    138,473.58x = 11,239,542,888.16
  5. Step 5: Solve for x
    x = 11,239,542,888.16/138,473.58
  6. Step 6: Final answer
    x = 81,167.42

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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.