Home / 72,937.28-109,423.20-26,194.88

Finding the Fourth Proportional to 72,937.28, 109,423.20 and 26,194.88

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Solution

The fourth proportional to 72,937.28, 109,423.20 and 26,194.88 is: 39,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,937.28 : 109,423.20 = 26,194.88 : x
  2. Step 2: Convert to fraction form
    72,937.28/109,423.20 = 26,194.88/x
  3. Step 3: Cross multiply
    72,937.28x = 109,423.20 × 26,194.88
  4. Step 4: Simplify right side
    72,937.28x = 2,866,327,593.22
  5. Step 5: Solve for x
    x = 2,866,327,593.22/72,937.28
  6. Step 6: Final answer
    x = 39,298.53

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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.