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Finding the Fourth Proportional to 135,514.62, 203,290.59 and 45,564.30

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Solution

The fourth proportional to 135,514.62, 203,290.59 and 45,564.30 is: 68,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,514.62 : 203,290.59 = 45,564.30 : x
  2. Step 2: Convert to fraction form
    135,514.62/203,290.59 = 45,564.30/x
  3. Step 3: Cross multiply
    135,514.62x = 203,290.59 × 45,564.30
  4. Step 4: Simplify right side
    135,514.62x = 9,262,793,429.94
  5. Step 5: Solve for x
    x = 9,262,793,429.94/135,514.62
  6. Step 6: Final answer
    x = 68,352.72

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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.