Home / 198,416.88-273,818.25-107,774.61

Finding the Fourth Proportional to 198,416.88, 273,818.25 and 107,774.61

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Solution

The fourth proportional to 198,416.88, 273,818.25 and 107,774.61 is: 148,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,416.88 : 273,818.25 = 107,774.61 : x
  2. Step 2: Convert to fraction form
    198,416.88/273,818.25 = 107,774.61/x
  3. Step 3: Cross multiply
    198,416.88x = 273,818.25 × 107,774.61
  4. Step 4: Simplify right side
    198,416.88x = 29,510,655,104.63
  5. Step 5: Solve for x
    x = 29,510,655,104.63/198,416.88
  6. Step 6: Final answer
    x = 148,730.57

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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.