Home / 252,734.88-378,975.54-84,195.94

Finding the Fourth Proportional to 252,734.88, 378,975.54 and 84,195.94

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Solution

The fourth proportional to 252,734.88, 378,975.54 and 84,195.94 is: 126,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,734.88 : 378,975.54 = 84,195.94 : x
  2. Step 2: Convert to fraction form
    252,734.88/378,975.54 = 84,195.94/x
  3. Step 3: Cross multiply
    252,734.88x = 378,975.54 × 84,195.94
  4. Step 4: Simplify right side
    252,734.88x = 31,908,201,827.31
  5. Step 5: Solve for x
    x = 31,908,201,827.31/252,734.88
  6. Step 6: Final answer
    x = 126,251.67

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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.