Home / 252,634.77-378,968.55-84,148.29

Finding the Fourth Proportional to 252,634.77, 378,968.55 and 84,148.29

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Solution

The fourth proportional to 252,634.77, 378,968.55 and 84,148.29 is: 126,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,634.77 : 378,968.55 = 84,148.29 : x
  2. Step 2: Convert to fraction form
    252,634.77/378,968.55 = 84,148.29/x
  3. Step 3: Cross multiply
    252,634.77x = 378,968.55 × 84,148.29
  4. Step 4: Simplify right side
    252,634.77x = 31,889,555,446.28
  5. Step 5: Solve for x
    x = 31,889,555,446.28/252,634.77
  6. Step 6: Final answer
    x = 126,227.90

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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.