Home / 102,697.28-154,034.24-27,813.12

Finding the Fourth Proportional to 102,697.28, 154,034.24 and 27,813.12

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Solution

The fourth proportional to 102,697.28, 154,034.24 and 27,813.12 is: 41,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,697.28 : 154,034.24 = 27,813.12 : x
  2. Step 2: Convert to fraction form
    102,697.28/154,034.24 = 27,813.12/x
  3. Step 3: Cross multiply
    102,697.28x = 154,034.24 × 27,813.12
  4. Step 4: Simplify right side
    102,697.28x = 4,284,172,801.23
  5. Step 5: Solve for x
    x = 4,284,172,801.23/102,697.28
  6. Step 6: Final answer
    x = 41,716.52

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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.