Home / 126,190.80-174,148.44-69,605.76

Finding the Fourth Proportional to 126,190.80, 174,148.44 and 69,605.76

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Solution

The fourth proportional to 126,190.80, 174,148.44 and 69,605.76 is: 96,058.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,190.80 : 174,148.44 = 69,605.76 : x
  2. Step 2: Convert to fraction form
    126,190.80/174,148.44 = 69,605.76/x
  3. Step 3: Cross multiply
    126,190.80x = 174,148.44 × 69,605.76
  4. Step 4: Simplify right side
    126,190.80x = 12,121,734,519.01
  5. Step 5: Solve for x
    x = 12,121,734,519.01/126,190.80
  6. Step 6: Final answer
    x = 96,058.78

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1.5x scale

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.