Home / 144,844.20-217,287.90-51,342.60

Finding the Fourth Proportional to 144,844.20, 217,287.90 and 51,342.60

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Solution

The fourth proportional to 144,844.20, 217,287.90 and 51,342.60 is: 77,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,844.20 : 217,287.90 = 51,342.60 : x
  2. Step 2: Convert to fraction form
    144,844.20/217,287.90 = 51,342.60/x
  3. Step 3: Cross multiply
    144,844.20x = 217,287.90 × 51,342.60
  4. Step 4: Simplify right side
    144,844.20x = 11,156,125,734.54
  5. Step 5: Solve for x
    x = 11,156,125,734.54/144,844.20
  6. Step 6: Final answer
    x = 77,021.56

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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.