Home / 187,799.68-281,507.28-82,599.04

Finding the Fourth Proportional to 187,799.68, 281,507.28 and 82,599.04

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Solution

The fourth proportional to 187,799.68, 281,507.28 and 82,599.04 is: 123,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,799.68 : 281,507.28 = 82,599.04 : x
  2. Step 2: Convert to fraction form
    187,799.68/281,507.28 = 82,599.04/x
  3. Step 3: Cross multiply
    187,799.68x = 281,507.28 × 82,599.04
  4. Step 4: Simplify right side
    187,799.68x = 23,252,231,081.01
  5. Step 5: Solve for x
    x = 23,252,231,081.01/187,799.68
  6. Step 6: Final answer
    x = 123,814.01

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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.