Home / 126,189.64-174,142.20-69,600.88

Finding the Fourth Proportional to 126,189.64, 174,142.20 and 69,600.88

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Solution

The fourth proportional to 126,189.64, 174,142.20 and 69,600.88 is: 96,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189.64 : 174,142.20 = 69,600.88 : x
  2. Step 2: Convert to fraction form
    126,189.64/174,142.20 = 69,600.88/x
  3. Step 3: Cross multiply
    126,189.64x = 174,142.20 × 69,600.88
  4. Step 4: Simplify right side
    126,189.64x = 12,120,450,365.14
  5. Step 5: Solve for x
    x = 12,120,450,365.14/126,189.64
  6. Step 6: Final answer
    x = 96,049.49

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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.