Home / 126,249.68-174,217.20-69,660.92

Finding the Fourth Proportional to 126,249.68, 174,217.20 and 69,660.92

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Solution

The fourth proportional to 126,249.68, 174,217.20 and 69,660.92 is: 96,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.68 : 174,217.20 = 69,660.92 : x
  2. Step 2: Convert to fraction form
    126,249.68/174,217.20 = 69,660.92/x
  3. Step 3: Cross multiply
    126,249.68x = 174,217.20 × 69,660.92
  4. Step 4: Simplify right side
    126,249.68x = 12,136,130,431.82
  5. Step 5: Solve for x
    x = 12,136,130,431.82/126,249.68
  6. Step 6: Final answer
    x = 96,128.01

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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.