Home / 126,500.68-174,570.94-69,912.06

Finding the Fourth Proportional to 126,500.68, 174,570.94 and 69,912.06

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Solution

The fourth proportional to 126,500.68, 174,570.94 and 69,912.06 is: 96,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,500.68 : 174,570.94 = 69,912.06 : x
  2. Step 2: Convert to fraction form
    126,500.68/174,570.94 = 69,912.06/x
  3. Step 3: Cross multiply
    126,500.68x = 174,570.94 × 69,912.06
  4. Step 4: Simplify right side
    126,500.68x = 12,204,614,031.54
  5. Step 5: Solve for x
    x = 12,204,614,031.54/126,500.68
  6. Step 6: Final answer
    x = 96,478.64

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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.