Home / 189,724.88-284,520.20-83,160.56

Finding the Fourth Proportional to 189,724.88, 284,520.20 and 83,160.56

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Solution

The fourth proportional to 189,724.88, 284,520.20 and 83,160.56 is: 124,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,724.88 : 284,520.20 = 83,160.56 : x
  2. Step 2: Convert to fraction form
    189,724.88/284,520.20 = 83,160.56/x
  3. Step 3: Cross multiply
    189,724.88x = 284,520.20 × 83,160.56
  4. Step 4: Simplify right side
    189,724.88x = 23,660,859,163.31
  5. Step 5: Solve for x
    x = 23,660,859,163.31/189,724.88
  6. Step 6: Final answer
    x = 124,711.42

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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.