Home / 126,706.28-174,826.76-75,711.38

Finding the Fourth Proportional to 126,706.28, 174,826.76 and 75,711.38

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Solution

The fourth proportional to 126,706.28, 174,826.76 and 75,711.38 is: 104,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,706.28 : 174,826.76 = 75,711.38 : x
  2. Step 2: Convert to fraction form
    126,706.28/174,826.76 = 75,711.38/x
  3. Step 3: Cross multiply
    126,706.28x = 174,826.76 × 75,711.38
  4. Step 4: Simplify right side
    126,706.28x = 13,236,374,007.84
  5. Step 5: Solve for x
    x = 13,236,374,007.84/126,706.28
  6. Step 6: Final answer
    x = 104,465.02

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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.