Home / 163,000.62-224,940.70-91,380.66

Finding the Fourth Proportional to 163,000.62, 224,940.70 and 91,380.66

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Solution

The fourth proportional to 163,000.62, 224,940.70 and 91,380.66 is: 126,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,000.62 : 224,940.70 = 91,380.66 : x
  2. Step 2: Convert to fraction form
    163,000.62/224,940.70 = 91,380.66/x
  3. Step 3: Cross multiply
    163,000.62x = 224,940.70 × 91,380.66
  4. Step 4: Simplify right side
    163,000.62x = 20,555,229,626.86
  5. Step 5: Solve for x
    x = 20,555,229,626.86/163,000.62
  6. Step 6: Final answer
    x = 126,105.22

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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.