Home / 252,057.15-378,152.55-109,841.40

Finding the Fourth Proportional to 252,057.15, 378,152.55 and 109,841.40

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Solution

The fourth proportional to 252,057.15, 378,152.55 and 109,841.40 is: 164,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,057.15 : 378,152.55 = 109,841.40 : x
  2. Step 2: Convert to fraction form
    252,057.15/378,152.55 = 109,841.40/x
  3. Step 3: Cross multiply
    252,057.15x = 378,152.55 × 109,841.40
  4. Step 4: Simplify right side
    252,057.15x = 41,536,805,505.57
  5. Step 5: Solve for x
    x = 41,536,805,505.57/252,057.15
  6. Step 6: Final answer
    x = 164,791.22

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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.