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Finding the Fourth Proportional to 146,791.70, 220,187.55 and 96,053.30

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Solution

The fourth proportional to 146,791.70, 220,187.55 and 96,053.30 is: 144,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,791.70 : 220,187.55 = 96,053.30 : x
  2. Step 2: Convert to fraction form
    146,791.70/220,187.55 = 96,053.30/x
  3. Step 3: Cross multiply
    146,791.70x = 220,187.55 × 96,053.30
  4. Step 4: Simplify right side
    146,791.70x = 21,149,740,796.42
  5. Step 5: Solve for x
    x = 21,149,740,796.42/146,791.70
  6. Step 6: Final answer
    x = 144,079.95

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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.