Home / 198,645.40-273,862.32-134,872.48

Finding the Fourth Proportional to 198,645.40, 273,862.32 and 134,872.48

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Solution

The fourth proportional to 198,645.40, 273,862.32 and 134,872.48 is: 185,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,645.40 : 273,862.32 = 134,872.48 : x
  2. Step 2: Convert to fraction form
    198,645.40/273,862.32 = 134,872.48/x
  3. Step 3: Cross multiply
    198,645.40x = 273,862.32 × 134,872.48
  4. Step 4: Simplify right side
    198,645.40x = 36,936,490,276.95
  5. Step 5: Solve for x
    x = 36,936,490,276.95/198,645.40
  6. Step 6: Final answer
    x = 185,941.84

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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.