Home / 109,359.82-149,932.30-107,366.92

Finding the Fourth Proportional to 109,359.82, 149,932.30 and 107,366.92

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Solution

The fourth proportional to 109,359.82, 149,932.30 and 107,366.92 is: 147,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,359.82 : 149,932.30 = 107,366.92 : x
  2. Step 2: Convert to fraction form
    109,359.82/149,932.30 = 107,366.92/x
  3. Step 3: Cross multiply
    109,359.82x = 149,932.30 × 107,366.92
  4. Step 4: Simplify right side
    109,359.82x = 16,097,769,527.93
  5. Step 5: Solve for x
    x = 16,097,769,527.93/109,359.82
  6. Step 6: Final answer
    x = 147,200.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.