Home / 126,958.14-175,207.92-72,515.04

Finding the Fourth Proportional to 126,958.14, 175,207.92 and 72,515.04

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Solution

The fourth proportional to 126,958.14, 175,207.92 and 72,515.04 is: 100,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,958.14 : 175,207.92 = 72,515.04 : x
  2. Step 2: Convert to fraction form
    126,958.14/175,207.92 = 72,515.04/x
  3. Step 3: Cross multiply
    126,958.14x = 175,207.92 × 72,515.04
  4. Step 4: Simplify right side
    126,958.14x = 12,705,209,327.12
  5. Step 5: Solve for x
    x = 12,705,209,327.12/126,958.14
  6. Step 6: Final answer
    x = 100,074.00

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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.