Home / 189,867.12-284,843.92-101,073.84

Finding the Fourth Proportional to 189,867.12, 284,843.92 and 101,073.84

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Solution

The fourth proportional to 189,867.12, 284,843.92 and 101,073.84 is: 151,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,867.12 : 284,843.92 = 101,073.84 : x
  2. Step 2: Convert to fraction form
    189,867.12/284,843.92 = 101,073.84/x
  3. Step 3: Cross multiply
    189,867.12x = 284,843.92 × 101,073.84
  4. Step 4: Simplify right side
    189,867.12x = 28,790,268,795.05
  5. Step 5: Solve for x
    x = 28,790,268,795.05/189,867.12
  6. Step 6: Final answer
    x = 151,633.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.