Home / 126,324.43-174,330.89-71,873.59

Finding the Fourth Proportional to 126,324.43, 174,330.89 and 71,873.59

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Solution

The fourth proportional to 126,324.43, 174,330.89 and 71,873.59 is: 99,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,324.43 : 174,330.89 = 71,873.59 : x
  2. Step 2: Convert to fraction form
    126,324.43/174,330.89 = 71,873.59/x
  3. Step 3: Cross multiply
    126,324.43x = 174,330.89 × 71,873.59
  4. Step 4: Simplify right side
    126,324.43x = 12,529,786,912.20
  5. Step 5: Solve for x
    x = 12,529,786,912.20/126,324.43
  6. Step 6: Final answer
    x = 99,187.36

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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.