Home / 126,021.62-173,909.86-69,432.50

Finding the Fourth Proportional to 126,021.62, 173,909.86 and 69,432.50

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Solution

The fourth proportional to 126,021.62, 173,909.86 and 69,432.50 is: 95,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.62 : 173,909.86 = 69,432.50 : x
  2. Step 2: Convert to fraction form
    126,021.62/173,909.86 = 69,432.50/x
  3. Step 3: Cross multiply
    126,021.62x = 173,909.86 × 69,432.50
  4. Step 4: Simplify right side
    126,021.62x = 12,074,996,354.45
  5. Step 5: Solve for x
    x = 12,074,996,354.45/126,021.62
  6. Step 6: Final answer
    x = 95,816.86

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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.