Home / 239,634.77-359,452.17-81,864.59

Finding the Fourth Proportional to 239,634.77, 359,452.17 and 81,864.59

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Solution

The fourth proportional to 239,634.77, 359,452.17 and 81,864.59 is: 122,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,634.77 : 359,452.17 = 81,864.59 : x
  2. Step 2: Convert to fraction form
    239,634.77/359,452.17 = 81,864.59/x
  3. Step 3: Cross multiply
    239,634.77x = 359,452.17 × 81,864.59
  4. Step 4: Simplify right side
    239,634.77x = 29,426,402,724.40
  5. Step 5: Solve for x
    x = 29,426,402,724.40/239,634.77
  6. Step 6: Final answer
    x = 122,796.89

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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.