Home / 252,040.12-378,134.06-74,551.88

Finding the Fourth Proportional to 252,040.12, 378,134.06 and 74,551.88

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Solution

The fourth proportional to 252,040.12, 378,134.06 and 74,551.88 is: 111,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,040.12 : 378,134.06 = 74,551.88 : x
  2. Step 2: Convert to fraction form
    252,040.12/378,134.06 = 74,551.88/x
  3. Step 3: Cross multiply
    252,040.12x = 378,134.06 × 74,551.88
  4. Step 4: Simplify right side
    252,040.12x = 28,190,605,065.03
  5. Step 5: Solve for x
    x = 28,190,605,065.03/252,040.12
  6. Step 6: Final answer
    x = 111,849.67

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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.