Home / 148,716.52-205,197.78-88,278.64

Finding the Fourth Proportional to 148,716.52, 205,197.78 and 88,278.64

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Solution

The fourth proportional to 148,716.52, 205,197.78 and 88,278.64 is: 121,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,716.52 : 205,197.78 = 88,278.64 : x
  2. Step 2: Convert to fraction form
    148,716.52/205,197.78 = 88,278.64/x
  3. Step 3: Cross multiply
    148,716.52x = 205,197.78 × 88,278.64
  4. Step 4: Simplify right side
    148,716.52x = 18,114,580,949.42
  5. Step 5: Solve for x
    x = 18,114,580,949.42/148,716.52
  6. Step 6: Final answer
    x = 121,806.11

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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.