Home / 252,080.10-378,557.55-133,982.10

Finding the Fourth Proportional to 252,080.10, 378,557.55 and 133,982.10

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Solution

The fourth proportional to 252,080.10, 378,557.55 and 133,982.10 is: 201,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,080.10 : 378,557.55 = 133,982.10 : x
  2. Step 2: Convert to fraction form
    252,080.10/378,557.55 = 133,982.10/x
  3. Step 3: Cross multiply
    252,080.10x = 378,557.55 × 133,982.10
  4. Step 4: Simplify right side
    252,080.10x = 50,719,935,519.86
  5. Step 5: Solve for x
    x = 50,719,935,519.86/252,080.10
  6. Step 6: Final answer
    x = 201,205.63

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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.