Home / 239,127.52-358,687.44-81,465.76

Finding the Fourth Proportional to 239,127.52, 358,687.44 and 81,465.76

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Solution

The fourth proportional to 239,127.52, 358,687.44 and 81,465.76 is: 122,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,127.52 : 358,687.44 = 81,465.76 : x
  2. Step 2: Convert to fraction form
    239,127.52/358,687.44 = 81,465.76/x
  3. Step 3: Cross multiply
    239,127.52x = 358,687.44 × 81,465.76
  4. Step 4: Simplify right side
    239,127.52x = 29,220,744,902.05
  5. Step 5: Solve for x
    x = 29,220,744,902.05/239,127.52
  6. Step 6: Final answer
    x = 122,197.33

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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.