Home / 252,206.55-378,379.02-125,694.06

Finding the Fourth Proportional to 252,206.55, 378,379.02 and 125,694.06

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Solution

The fourth proportional to 252,206.55, 378,379.02 and 125,694.06 is: 188,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,206.55 : 378,379.02 = 125,694.06 : x
  2. Step 2: Convert to fraction form
    252,206.55/378,379.02 = 125,694.06/x
  3. Step 3: Cross multiply
    252,206.55x = 378,379.02 × 125,694.06
  4. Step 4: Simplify right side
    252,206.55x = 47,559,995,242.62
  5. Step 5: Solve for x
    x = 47,559,995,242.62/252,206.55
  6. Step 6: Final answer
    x = 188,575.58

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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.