Home / 239,852.13-359,780.01-82,081.95

Finding the Fourth Proportional to 239,852.13, 359,780.01 and 82,081.95

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Solution

The fourth proportional to 239,852.13, 359,780.01 and 82,081.95 is: 123,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,852.13 : 359,780.01 = 82,081.95 : x
  2. Step 2: Convert to fraction form
    239,852.13/359,780.01 = 82,081.95/x
  3. Step 3: Cross multiply
    239,852.13x = 359,780.01 × 82,081.95
  4. Step 4: Simplify right side
    239,852.13x = 29,531,444,791.82
  5. Step 5: Solve for x
    x = 29,531,444,791.82/239,852.13
  6. Step 6: Final answer
    x = 123,123.55

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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.