Home / 194,360.38-268,221.76-108,328.21

Finding the Fourth Proportional to 194,360.38, 268,221.76 and 108,328.21

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Solution

The fourth proportional to 194,360.38, 268,221.76 and 108,328.21 is: 149,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,360.38 : 268,221.76 = 108,328.21 : x
  2. Step 2: Convert to fraction form
    194,360.38/268,221.76 = 108,328.21/x
  3. Step 3: Cross multiply
    194,360.38x = 268,221.76 × 108,328.21
  4. Step 4: Simplify right side
    194,360.38x = 29,055,982,202.47
  5. Step 5: Solve for x
    x = 29,055,982,202.47/194,360.38
  6. Step 6: Final answer
    x = 149,495.40

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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.