Home / 189,906.20-284,958.32-137,746.24

Finding the Fourth Proportional to 189,906.20, 284,958.32 and 137,746.24

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Solution

The fourth proportional to 189,906.20, 284,958.32 and 137,746.24 is: 206,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,906.20 : 284,958.32 = 137,746.24 : x
  2. Step 2: Convert to fraction form
    189,906.20/284,958.32 = 137,746.24/x
  3. Step 3: Cross multiply
    189,906.20x = 284,958.32 × 137,746.24
  4. Step 4: Simplify right side
    189,906.20x = 39,251,937,136.72
  5. Step 5: Solve for x
    x = 39,251,937,136.72/189,906.20
  6. Step 6: Final answer
    x = 206,691.18

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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.