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Finding the Fourth Proportional to 133,779.60, 200,572.20 and 54,853.20

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Solution

The fourth proportional to 133,779.60, 200,572.20 and 54,853.20 is: 82,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,779.60 : 200,572.20 = 54,853.20 : x
  2. Step 2: Convert to fraction form
    133,779.60/200,572.20 = 54,853.20/x
  3. Step 3: Cross multiply
    133,779.60x = 200,572.20 × 54,853.20
  4. Step 4: Simplify right side
    133,779.60x = 11,002,027,001.04
  5. Step 5: Solve for x
    x = 11,002,027,001.04/133,779.60
  6. Step 6: Final answer
    x = 82,239.95

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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.