Home / 102,481.08-141,419.52-75,613.92

Finding the Fourth Proportional to 102,481.08, 141,419.52 and 75,613.92

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Solution

The fourth proportional to 102,481.08, 141,419.52 and 75,613.92 is: 104,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,481.08 : 141,419.52 = 75,613.92 : x
  2. Step 2: Convert to fraction form
    102,481.08/141,419.52 = 75,613.92/x
  3. Step 3: Cross multiply
    102,481.08x = 141,419.52 × 75,613.92
  4. Step 4: Simplify right side
    102,481.08x = 10,693,284,271.72
  5. Step 5: Solve for x
    x = 10,693,284,271.72/102,481.08
  6. Step 6: Final answer
    x = 104,343.98

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1.5x scale

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.