Home / 148,765.20-205,227.16-88,301.40

Finding the Fourth Proportional to 148,765.20, 205,227.16 and 88,301.40

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Solution

The fourth proportional to 148,765.20, 205,227.16 and 88,301.40 is: 121,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,765.20 : 205,227.16 = 88,301.40 : x
  2. Step 2: Convert to fraction form
    148,765.20/205,227.16 = 88,301.40/x
  3. Step 3: Cross multiply
    148,765.20x = 205,227.16 × 88,301.40
  4. Step 4: Simplify right side
    148,765.20x = 18,121,845,546.02
  5. Step 5: Solve for x
    x = 18,121,845,546.02/148,765.20
  6. Step 6: Final answer
    x = 121,815.09

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1.5x scale

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.