Home / 187,519.80-281,279.69-82,339.68

Finding the Fourth Proportional to 187,519.80, 281,279.69 and 82,339.68

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Solution

The fourth proportional to 187,519.80, 281,279.69 and 82,339.68 is: 123,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,519.80 : 281,279.69 = 82,339.68 : x
  2. Step 2: Convert to fraction form
    187,519.80/281,279.69 = 82,339.68/x
  3. Step 3: Cross multiply
    187,519.80x = 281,279.69 × 82,339.68
  4. Step 4: Simplify right side
    187,519.80x = 23,160,479,665.10
  5. Step 5: Solve for x
    x = 23,160,479,665.10/187,519.80
  6. Step 6: Final answer
    x = 123,509.52

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1.5x scale

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.