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Finding the Fourth Proportional to 184,375.64, 254,446.99 and 111,780.80

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Solution

The fourth proportional to 184,375.64, 254,446.99 and 111,780.80 is: 154,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,375.64 : 254,446.99 = 111,780.80 : x
  2. Step 2: Convert to fraction form
    184,375.64/254,446.99 = 111,780.80/x
  3. Step 3: Cross multiply
    184,375.64x = 254,446.99 × 111,780.80
  4. Step 4: Simplify right side
    184,375.64x = 28,442,286,548.11
  5. Step 5: Solve for x
    x = 28,442,286,548.11/184,375.64
  6. Step 6: Final answer
    x = 154,262.72

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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.