Home / 253,836.12-380,724.48-102,027.12

Finding the Fourth Proportional to 253,836.12, 380,724.48 and 102,027.12

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Solution

The fourth proportional to 253,836.12, 380,724.48 and 102,027.12 is: 153,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,836.12 : 380,724.48 = 102,027.12 : x
  2. Step 2: Convert to fraction form
    253,836.12/380,724.48 = 102,027.12/x
  3. Step 3: Cross multiply
    253,836.12x = 380,724.48 × 102,027.12
  4. Step 4: Simplify right side
    253,836.12x = 38,844,222,207.90
  5. Step 5: Solve for x
    x = 38,844,222,207.90/253,836.12
  6. Step 6: Final answer
    x = 153,028.74

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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.