Home / 156,211.46-215,571.93-84,591.56

Finding the Fourth Proportional to 156,211.46, 215,571.93 and 84,591.56

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Solution

The fourth proportional to 156,211.46, 215,571.93 and 84,591.56 is: 116,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,211.46 : 215,571.93 = 84,591.56 : x
  2. Step 2: Convert to fraction form
    156,211.46/215,571.93 = 84,591.56/x
  3. Step 3: Cross multiply
    156,211.46x = 215,571.93 × 84,591.56
  4. Step 4: Simplify right side
    156,211.46x = 18,235,565,850.91
  5. Step 5: Solve for x
    x = 18,235,565,850.91/156,211.46
  6. Step 6: Final answer
    x = 116,736.42

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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.