Home / 148,301.82-204,660.25-90,972.75

Finding the Fourth Proportional to 148,301.82, 204,660.25 and 90,972.75

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Solution

The fourth proportional to 148,301.82, 204,660.25 and 90,972.75 is: 125,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,301.82 : 204,660.25 = 90,972.75 : x
  2. Step 2: Convert to fraction form
    148,301.82/204,660.25 = 90,972.75/x
  3. Step 3: Cross multiply
    148,301.82x = 204,660.25 × 90,972.75
  4. Step 4: Simplify right side
    148,301.82x = 18,618,506,809.95
  5. Step 5: Solve for x
    x = 18,618,506,809.95/148,301.82
  6. Step 6: Final answer
    x = 125,544.70

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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.