Home / 168,916.32-232,892.82-108,380.16

Finding the Fourth Proportional to 168,916.32, 232,892.82 and 108,380.16

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Solution

The fourth proportional to 168,916.32, 232,892.82 and 108,380.16 is: 149,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,916.32 : 232,892.82 = 108,380.16 : x
  2. Step 2: Convert to fraction form
    168,916.32/232,892.82 = 108,380.16/x
  3. Step 3: Cross multiply
    168,916.32x = 232,892.82 × 108,380.16
  4. Step 4: Simplify right side
    168,916.32x = 25,240,961,094.45
  5. Step 5: Solve for x
    x = 25,240,961,094.45/168,916.32
  6. Step 6: Final answer
    x = 149,428.79

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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.