Home / 179,906.32-269,439.66-142,213.36

Finding the Fourth Proportional to 179,906.32, 269,439.66 and 142,213.36

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Solution

The fourth proportional to 179,906.32, 269,439.66 and 142,213.36 is: 212,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,906.32 : 269,439.66 = 142,213.36 : x
  2. Step 2: Convert to fraction form
    179,906.32/269,439.66 = 142,213.36/x
  3. Step 3: Cross multiply
    179,906.32x = 269,439.66 × 142,213.36
  4. Step 4: Simplify right side
    179,906.32x = 38,317,919,365.86
  5. Step 5: Solve for x
    x = 38,317,919,365.86/179,906.32
  6. Step 6: Final answer
    x = 212,988.18

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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.