Home / 134,217.92-185,205.68-80,505.12

Finding the Fourth Proportional to 134,217.92, 185,205.68 and 80,505.12

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Solution

The fourth proportional to 134,217.92, 185,205.68 and 80,505.12 is: 111,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,217.92 : 185,205.68 = 80,505.12 : x
  2. Step 2: Convert to fraction form
    134,217.92/185,205.68 = 80,505.12/x
  3. Step 3: Cross multiply
    134,217.92x = 185,205.68 × 80,505.12
  4. Step 4: Simplify right side
    134,217.92x = 14,910,005,493.08
  5. Step 5: Solve for x
    x = 14,910,005,493.08/134,217.92
  6. Step 6: Final answer
    x = 111,088.04

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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.