Home / 106,446.44-146,909.40-61,138.60

Finding the Fourth Proportional to 106,446.44, 146,909.40 and 61,138.60

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Solution

The fourth proportional to 106,446.44, 146,909.40 and 61,138.60 is: 84,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,446.44 : 146,909.40 = 61,138.60 : x
  2. Step 2: Convert to fraction form
    106,446.44/146,909.40 = 61,138.60/x
  3. Step 3: Cross multiply
    106,446.44x = 146,909.40 × 61,138.60
  4. Step 4: Simplify right side
    106,446.44x = 8,981,835,042.84
  5. Step 5: Solve for x
    x = 8,981,835,042.84/106,446.44
  6. Step 6: Final answer
    x = 84,378.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.