Home / 159,933.80-239,747.10-124,375.40

Finding the Fourth Proportional to 159,933.80, 239,747.10 and 124,375.40

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Solution

The fourth proportional to 159,933.80, 239,747.10 and 124,375.40 is: 186,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,933.80 : 239,747.10 = 124,375.40 : x
  2. Step 2: Convert to fraction form
    159,933.80/239,747.10 = 124,375.40/x
  3. Step 3: Cross multiply
    159,933.80x = 239,747.10 × 124,375.40
  4. Step 4: Simplify right side
    159,933.80x = 29,818,641,461.34
  5. Step 5: Solve for x
    x = 29,818,641,461.34/159,933.80
  6. Step 6: Final answer
    x = 186,443.65

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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.