Home / 102,791.36-141,882.12-59,780.93

Finding the Fourth Proportional to 102,791.36, 141,882.12 and 59,780.93

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Solution

The fourth proportional to 102,791.36, 141,882.12 and 59,780.93 is: 82,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,791.36 : 141,882.12 = 59,780.93 : x
  2. Step 2: Convert to fraction form
    102,791.36/141,882.12 = 59,780.93/x
  3. Step 3: Cross multiply
    102,791.36x = 141,882.12 × 59,780.93
  4. Step 4: Simplify right side
    102,791.36x = 8,481,844,374.56
  5. Step 5: Solve for x
    x = 8,481,844,374.56/102,791.36
  6. Step 6: Final answer
    x = 82,515.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.