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Finding the Fourth Proportional to 189,082.08, 260,939.04 and 108,524.28

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Solution

The fourth proportional to 189,082.08, 260,939.04 and 108,524.28 is: 149,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,082.08 : 260,939.04 = 108,524.28 : x
  2. Step 2: Convert to fraction form
    189,082.08/260,939.04 = 108,524.28/x
  3. Step 3: Cross multiply
    189,082.08x = 260,939.04 × 108,524.28
  4. Step 4: Simplify right side
    189,082.08x = 28,318,221,439.89
  5. Step 5: Solve for x
    x = 28,318,221,439.89/189,082.08
  6. Step 6: Final answer
    x = 149,766.82

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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.