Home / 126,961.62-175,219.56-72,521.92

Finding the Fourth Proportional to 126,961.62, 175,219.56 and 72,521.92

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Solution

The fourth proportional to 126,961.62, 175,219.56 and 72,521.92 is: 100,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,961.62 : 175,219.56 = 72,521.92 : x
  2. Step 2: Convert to fraction form
    126,961.62/175,219.56 = 72,521.92/x
  3. Step 3: Cross multiply
    126,961.62x = 175,219.56 × 72,521.92
  4. Step 4: Simplify right side
    126,961.62x = 12,707,258,803.24
  5. Step 5: Solve for x
    x = 12,707,258,803.24/126,961.62
  6. Step 6: Final answer
    x = 100,087.41

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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.