Home / 126,315.20-174,311.52-69,722.48

Finding the Fourth Proportional to 126,315.20, 174,311.52 and 69,722.48

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Solution

The fourth proportional to 126,315.20, 174,311.52 and 69,722.48 is: 96,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,315.20 : 174,311.52 = 69,722.48 : x
  2. Step 2: Convert to fraction form
    126,315.20/174,311.52 = 69,722.48/x
  3. Step 3: Cross multiply
    126,315.20x = 174,311.52 × 69,722.48
  4. Step 4: Simplify right side
    126,315.20x = 12,153,431,466.97
  5. Step 5: Solve for x
    x = 12,153,431,466.97/126,315.20
  6. Step 6: Final answer
    x = 96,215.11

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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.