Home / 187,932.12-281,892.72-69,600.84

Finding the Fourth Proportional to 187,932.12, 281,892.72 and 69,600.84

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Solution

The fourth proportional to 187,932.12, 281,892.72 and 69,600.84 is: 104,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,932.12 : 281,892.72 = 69,600.84 : x
  2. Step 2: Convert to fraction form
    187,932.12/281,892.72 = 69,600.84/x
  3. Step 3: Cross multiply
    187,932.12x = 281,892.72 × 69,600.84
  4. Step 4: Simplify right side
    187,932.12x = 19,619,970,101.88
  5. Step 5: Solve for x
    x = 19,619,970,101.88/187,932.12
  6. Step 6: Final answer
    x = 104,399.24

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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.