Home / 252,780.95-379,066.23-102,919.61

Finding the Fourth Proportional to 252,780.95, 379,066.23 and 102,919.61

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Solution

The fourth proportional to 252,780.95, 379,066.23 and 102,919.61 is: 154,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,780.95 : 379,066.23 = 102,919.61 : x
  2. Step 2: Convert to fraction form
    252,780.95/379,066.23 = 102,919.61/x
  3. Step 3: Cross multiply
    252,780.95x = 379,066.23 × 102,919.61
  4. Step 4: Simplify right side
    252,780.95x = 39,013,349,503.44
  5. Step 5: Solve for x
    x = 39,013,349,503.44/252,780.95
  6. Step 6: Final answer
    x = 154,336.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.