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Finding the Fourth Proportional to 179,109.60, 269,247.60 and 126,880.80

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Solution

The fourth proportional to 179,109.60, 269,247.60 and 126,880.80 is: 190,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,109.60 : 269,247.60 = 126,880.80 : x
  2. Step 2: Convert to fraction form
    179,109.60/269,247.60 = 126,880.80/x
  3. Step 3: Cross multiply
    179,109.60x = 269,247.60 × 126,880.80
  4. Step 4: Simplify right side
    179,109.60x = 34,162,350,886.08
  5. Step 5: Solve for x
    x = 34,162,350,886.08/179,109.60
  6. Step 6: Final answer
    x = 190,734.34

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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.