Home / 145,446.20-200,691.29-80,906.92

Finding the Fourth Proportional to 145,446.20, 200,691.29 and 80,906.92

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Solution

The fourth proportional to 145,446.20, 200,691.29 and 80,906.92 is: 111,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,446.20 : 200,691.29 = 80,906.92 : x
  2. Step 2: Convert to fraction form
    145,446.20/200,691.29 = 80,906.92/x
  3. Step 3: Cross multiply
    145,446.20x = 200,691.29 × 80,906.92
  4. Step 4: Simplify right side
    145,446.20x = 16,237,314,597.86
  5. Step 5: Solve for x
    x = 16,237,314,597.86/145,446.20
  6. Step 6: Final answer
    x = 111,637.94

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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.