Home / 126,297.30-174,291.72-69,708.72

Finding the Fourth Proportional to 126,297.30, 174,291.72 and 69,708.72

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Solution

The fourth proportional to 126,297.30, 174,291.72 and 69,708.72 is: 96,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,297.30 : 174,291.72 = 69,708.72 : x
  2. Step 2: Convert to fraction form
    126,297.30/174,291.72 = 69,708.72/x
  3. Step 3: Cross multiply
    126,297.30x = 174,291.72 × 69,708.72
  4. Step 4: Simplify right side
    126,297.30x = 12,149,652,707.80
  5. Step 5: Solve for x
    x = 12,149,652,707.80/126,297.30
  6. Step 6: Final answer
    x = 96,198.83

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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.