Home / 252,675.90-378,686.07-102,741.66

Finding the Fourth Proportional to 252,675.90, 378,686.07 and 102,741.66

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Solution

The fourth proportional to 252,675.90, 378,686.07 and 102,741.66 is: 153,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,675.90 : 378,686.07 = 102,741.66 : x
  2. Step 2: Convert to fraction form
    252,675.90/378,686.07 = 102,741.66/x
  3. Step 3: Cross multiply
    252,675.90x = 378,686.07 × 102,741.66
  4. Step 4: Simplify right side
    252,675.90x = 38,906,835,450.68
  5. Step 5: Solve for x
    x = 38,906,835,450.68/252,675.90
  6. Step 6: Final answer
    x = 153,979.21

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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.