Home / 152,882.24-229,218.71-77,857.20

Finding the Fourth Proportional to 152,882.24, 229,218.71 and 77,857.20

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Solution

The fourth proportional to 152,882.24, 229,218.71 and 77,857.20 is: 116,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,882.24 : 229,218.71 = 77,857.20 : x
  2. Step 2: Convert to fraction form
    152,882.24/229,218.71 = 77,857.20/x
  3. Step 3: Cross multiply
    152,882.24x = 229,218.71 × 77,857.20
  4. Step 4: Simplify right side
    152,882.24x = 17,846,326,996.87
  5. Step 5: Solve for x
    x = 17,846,326,996.87/152,882.24
  6. Step 6: Final answer
    x = 116,732.51

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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.