Home / 148,669.78-205,070.97-88,197.61

Finding the Fourth Proportional to 148,669.78, 205,070.97 and 88,197.61

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Solution

The fourth proportional to 148,669.78, 205,070.97 and 88,197.61 is: 121,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,669.78 : 205,070.97 = 88,197.61 : x
  2. Step 2: Convert to fraction form
    148,669.78/205,070.97 = 88,197.61/x
  3. Step 3: Cross multiply
    148,669.78x = 205,070.97 × 88,197.61
  4. Step 4: Simplify right side
    148,669.78x = 18,086,769,729.98
  5. Step 5: Solve for x
    x = 18,086,769,729.98/148,669.78
  6. Step 6: Final answer
    x = 121,657.34

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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.