Home / 179,916.32-270,039.12-91,231.04

Finding the Fourth Proportional to 179,916.32, 270,039.12 and 91,231.04

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Solution

The fourth proportional to 179,916.32, 270,039.12 and 91,231.04 is: 136,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,916.32 : 270,039.12 = 91,231.04 : x
  2. Step 2: Convert to fraction form
    179,916.32/270,039.12 = 91,231.04/x
  3. Step 3: Cross multiply
    179,916.32x = 270,039.12 × 91,231.04
  4. Step 4: Simplify right side
    179,916.32x = 24,635,949,758.28
  5. Step 5: Solve for x
    x = 24,635,949,758.28/179,916.32
  6. Step 6: Final answer
    x = 136,930.04

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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.