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Finding the Fourth Proportional to 179,996.40, 269,670.60 and 142,801.20

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Solution

The fourth proportional to 179,996.40, 269,670.60 and 142,801.20 is: 213,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,996.40 : 269,670.60 = 142,801.20 : x
  2. Step 2: Convert to fraction form
    179,996.40/269,670.60 = 142,801.20/x
  3. Step 3: Cross multiply
    179,996.40x = 269,670.60 × 142,801.20
  4. Step 4: Simplify right side
    179,996.40x = 38,509,285,284.72
  5. Step 5: Solve for x
    x = 38,509,285,284.72/179,996.40
  6. Step 6: Final answer
    x = 213,944.75

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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.