Home / 194,721.10-268,717.17-108,688.30

Finding the Fourth Proportional to 194,721.10, 268,717.17 and 108,688.30

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Solution

The fourth proportional to 194,721.10, 268,717.17 and 108,688.30 is: 149,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,721.10 : 268,717.17 = 108,688.30 : x
  2. Step 2: Convert to fraction form
    194,721.10/268,717.17 = 108,688.30/x
  3. Step 3: Cross multiply
    194,721.10x = 268,717.17 × 108,688.30
  4. Step 4: Simplify right side
    194,721.10x = 29,206,412,388.11
  5. Step 5: Solve for x
    x = 29,206,412,388.11/194,721.10
  6. Step 6: Final answer
    x = 149,991.00

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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.