Home / 146,179.92-201,729.16-80,770.64

Finding the Fourth Proportional to 146,179.92, 201,729.16 and 80,770.64

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Solution

The fourth proportional to 146,179.92, 201,729.16 and 80,770.64 is: 111,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,179.92 : 201,729.16 = 80,770.64 : x
  2. Step 2: Convert to fraction form
    146,179.92/201,729.16 = 80,770.64/x
  3. Step 3: Cross multiply
    146,179.92x = 201,729.16 × 80,770.64
  4. Step 4: Simplify right side
    146,179.92x = 16,293,793,359.86
  5. Step 5: Solve for x
    x = 16,293,793,359.86/146,179.92
  6. Step 6: Final answer
    x = 111,463.96

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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.