Home / 187,711.12-259,039.22-101,668.47

Finding the Fourth Proportional to 187,711.12, 259,039.22 and 101,668.47

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Solution

The fourth proportional to 187,711.12, 259,039.22 and 101,668.47 is: 140,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,711.12 : 259,039.22 = 101,668.47 : x
  2. Step 2: Convert to fraction form
    187,711.12/259,039.22 = 101,668.47/x
  3. Step 3: Cross multiply
    187,711.12x = 259,039.22 × 101,668.47
  4. Step 4: Simplify right side
    187,711.12x = 26,336,119,687.65
  5. Step 5: Solve for x
    x = 26,336,119,687.65/187,711.12
  6. Step 6: Final answer
    x = 140,301.33

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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.