Home / 126,249.64-174,221.20-69,659.80

Finding the Fourth Proportional to 126,249.64, 174,221.20 and 69,659.80

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Solution

The fourth proportional to 126,249.64, 174,221.20 and 69,659.80 is: 96,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.64 : 174,221.20 = 69,659.80 : x
  2. Step 2: Convert to fraction form
    126,249.64/174,221.20 = 69,659.80/x
  3. Step 3: Cross multiply
    126,249.64x = 174,221.20 × 69,659.80
  4. Step 4: Simplify right side
    126,249.64x = 12,136,213,947.76
  5. Step 5: Solve for x
    x = 12,136,213,947.76/126,249.64
  6. Step 6: Final answer
    x = 96,128.70

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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.