Home / 138,014.08-207,020.89-43,251.56

Finding the Fourth Proportional to 138,014.08, 207,020.89 and 43,251.56

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Solution

The fourth proportional to 138,014.08, 207,020.89 and 43,251.56 is: 64,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,014.08 : 207,020.89 = 43,251.56 : x
  2. Step 2: Convert to fraction form
    138,014.08/207,020.89 = 43,251.56/x
  3. Step 3: Cross multiply
    138,014.08x = 207,020.89 × 43,251.56
  4. Step 4: Simplify right side
    138,014.08x = 8,953,976,445.09
  5. Step 5: Solve for x
    x = 8,953,976,445.09/138,014.08
  6. Step 6: Final answer
    x = 64,877.27

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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.