Home / 144,861.20-217,032.60-118,422.80

Finding the Fourth Proportional to 144,861.20, 217,032.60 and 118,422.80

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Solution

The fourth proportional to 144,861.20, 217,032.60 and 118,422.80 is: 177,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,861.20 : 217,032.60 = 118,422.80 : x
  2. Step 2: Convert to fraction form
    144,861.20/217,032.60 = 118,422.80/x
  3. Step 3: Cross multiply
    144,861.20x = 217,032.60 × 118,422.80
  4. Step 4: Simplify right side
    144,861.20x = 25,701,608,183.28
  5. Step 5: Solve for x
    x = 25,701,608,183.28/144,861.20
  6. Step 6: Final answer
    x = 177,422.31

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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.