Home / 254,027.75-381,036.15-76,530.83

Finding the Fourth Proportional to 254,027.75, 381,036.15 and 76,530.83

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Solution

The fourth proportional to 254,027.75, 381,036.15 and 76,530.83 is: 114,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,027.75 : 381,036.15 = 76,530.83 : x
  2. Step 2: Convert to fraction form
    254,027.75/381,036.15 = 76,530.83/x
  3. Step 3: Cross multiply
    254,027.75x = 381,036.15 × 76,530.83
  4. Step 4: Simplify right side
    254,027.75x = 29,161,010,914.32
  5. Step 5: Solve for x
    x = 29,161,010,914.32/254,027.75
  6. Step 6: Final answer
    x = 114,794.59

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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.