Home / 179,631.60-269,447.40-108,772.80

Finding the Fourth Proportional to 179,631.60, 269,447.40 and 108,772.80

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Solution

The fourth proportional to 179,631.60, 269,447.40 and 108,772.80 is: 163,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,631.60 : 269,447.40 = 108,772.80 : x
  2. Step 2: Convert to fraction form
    179,631.60/269,447.40 = 108,772.80/x
  3. Step 3: Cross multiply
    179,631.60x = 269,447.40 × 108,772.80
  4. Step 4: Simplify right side
    179,631.60x = 29,308,548,150.72
  5. Step 5: Solve for x
    x = 29,308,548,150.72/179,631.60
  6. Step 6: Final answer
    x = 163,159.20

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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.