Home / 268,104.24-402,157.08-90,563.76

Finding the Fourth Proportional to 268,104.24, 402,157.08 and 90,563.76

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Solution

The fourth proportional to 268,104.24, 402,157.08 and 90,563.76 is: 135,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,104.24 : 402,157.08 = 90,563.76 : x
  2. Step 2: Convert to fraction form
    268,104.24/402,157.08 = 90,563.76/x
  3. Step 3: Cross multiply
    268,104.24x = 402,157.08 × 90,563.76
  4. Step 4: Simplify right side
    268,104.24x = 36,420,857,275.42
  5. Step 5: Solve for x
    x = 36,420,857,275.42/268,104.24
  6. Step 6: Final answer
    x = 135,845.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.