Home / 187,704.04-281,522.04-75,379.72

Finding the Fourth Proportional to 187,704.04, 281,522.04 and 75,379.72

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Solution

The fourth proportional to 187,704.04, 281,522.04 and 75,379.72 is: 113,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,704.04 : 281,522.04 = 75,379.72 : x
  2. Step 2: Convert to fraction form
    187,704.04/281,522.04 = 75,379.72/x
  3. Step 3: Cross multiply
    187,704.04x = 281,522.04 × 75,379.72
  4. Step 4: Simplify right side
    187,704.04x = 21,221,052,549.03
  5. Step 5: Solve for x
    x = 21,221,052,549.03/187,704.04
  6. Step 6: Final answer
    x = 113,055.92

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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.