Home / 126,867.56-175,087.90-70,284.20

Finding the Fourth Proportional to 126,867.56, 175,087.90 and 70,284.20

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Solution

The fourth proportional to 126,867.56, 175,087.90 and 70,284.20 is: 96,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,867.56 : 175,087.90 = 70,284.20 : x
  2. Step 2: Convert to fraction form
    126,867.56/175,087.90 = 70,284.20/x
  3. Step 3: Cross multiply
    126,867.56x = 175,087.90 × 70,284.20
  4. Step 4: Simplify right side
    126,867.56x = 12,305,912,981.18
  5. Step 5: Solve for x
    x = 12,305,912,981.18/126,867.56
  6. Step 6: Final answer
    x = 96,998.11

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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.