Home / 126,912.05-175,092.30-75,926.25

Finding the Fourth Proportional to 126,912.05, 175,092.30 and 75,926.25

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Solution

The fourth proportional to 126,912.05, 175,092.30 and 75,926.25 is: 104,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,912.05 : 175,092.30 = 75,926.25 : x
  2. Step 2: Convert to fraction form
    126,912.05/175,092.30 = 75,926.25/x
  3. Step 3: Cross multiply
    126,912.05x = 175,092.30 × 75,926.25
  4. Step 4: Simplify right side
    126,912.05x = 13,294,101,742.88
  5. Step 5: Solve for x
    x = 13,294,101,742.88/126,912.05
  6. Step 6: Final answer
    x = 104,750.51

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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.