Home / 146,654.57-219,974.56-80,224.45

Finding the Fourth Proportional to 146,654.57, 219,974.56 and 80,224.45

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Solution

The fourth proportional to 146,654.57, 219,974.56 and 80,224.45 is: 120,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,654.57 : 219,974.56 = 80,224.45 : x
  2. Step 2: Convert to fraction form
    146,654.57/219,974.56 = 80,224.45/x
  3. Step 3: Cross multiply
    146,654.57x = 219,974.56 × 80,224.45
  4. Step 4: Simplify right side
    146,654.57x = 17,647,338,089.99
  5. Step 5: Solve for x
    x = 17,647,338,089.99/146,654.57
  6. Step 6: Final answer
    x = 120,332.68

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1.5x scale

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.