Home / 138,983.31-208,472.92-44,219.23

Finding the Fourth Proportional to 138,983.31, 208,472.92 and 44,219.23

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Solution

The fourth proportional to 138,983.31, 208,472.92 and 44,219.23 is: 66,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,983.31 : 208,472.92 = 44,219.23 : x
  2. Step 2: Convert to fraction form
    138,983.31/208,472.92 = 44,219.23/x
  3. Step 3: Cross multiply
    138,983.31x = 208,472.92 × 44,219.23
  4. Step 4: Simplify right side
    138,983.31x = 9,218,511,366.52
  5. Step 5: Solve for x
    x = 9,218,511,366.52/138,983.31
  6. Step 6: Final answer
    x = 66,328.19

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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.