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Finding the Fourth Proportional to 194,293.92, 268,118.40 and 108,250.88

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Solution

The fourth proportional to 194,293.92, 268,118.40 and 108,250.88 is: 149,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,293.92 : 268,118.40 = 108,250.88 : x
  2. Step 2: Convert to fraction form
    194,293.92/268,118.40 = 108,250.88/x
  3. Step 3: Cross multiply
    194,293.92x = 268,118.40 × 108,250.88
  4. Step 4: Simplify right side
    194,293.92x = 29,024,052,744.19
  5. Step 5: Solve for x
    x = 29,024,052,744.19/194,293.92
  6. Step 6: Final answer
    x = 149,382.20

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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.