Home / 126,125.28-174,124.08-83,741.76

Finding the Fourth Proportional to 126,125.28, 174,124.08 and 83,741.76

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Solution

The fourth proportional to 126,125.28, 174,124.08 and 83,741.76 is: 115,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,125.28 : 174,124.08 = 83,741.76 : x
  2. Step 2: Convert to fraction form
    126,125.28/174,124.08 = 83,741.76/x
  3. Step 3: Cross multiply
    126,125.28x = 174,124.08 × 83,741.76
  4. Step 4: Simplify right side
    126,125.28x = 14,581,456,917.58
  5. Step 5: Solve for x
    x = 14,581,456,917.58/126,125.28
  6. Step 6: Final answer
    x = 115,610.90

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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.