Home / 252,110.39-378,157.92-102,347.06

Finding the Fourth Proportional to 252,110.39, 378,157.92 and 102,347.06

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Solution

The fourth proportional to 252,110.39, 378,157.92 and 102,347.06 is: 153,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,110.39 : 378,157.92 = 102,347.06 : x
  2. Step 2: Convert to fraction form
    252,110.39/378,157.92 = 102,347.06/x
  3. Step 3: Cross multiply
    252,110.39x = 378,157.92 × 102,347.06
  4. Step 4: Simplify right side
    252,110.39x = 38,703,351,327.72
  5. Step 5: Solve for x
    x = 38,703,351,327.72/252,110.39
  6. Step 6: Final answer
    x = 153,517.48

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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.