Home / 126,311.10-174,309.48-69,722.48

Finding the Fourth Proportional to 126,311.10, 174,309.48 and 69,722.48

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Solution

The fourth proportional to 126,311.10, 174,309.48 and 69,722.48 is: 96,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311.10 : 174,309.48 = 69,722.48 : x
  2. Step 2: Convert to fraction form
    126,311.10/174,309.48 = 69,722.48/x
  3. Step 3: Cross multiply
    126,311.10x = 174,309.48 × 69,722.48
  4. Step 4: Simplify right side
    126,311.10x = 12,153,289,233.11
  5. Step 5: Solve for x
    x = 12,153,289,233.11/126,311.10
  6. Step 6: Final answer
    x = 96,217.11

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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.