Home / 146,278.77-219,238.60-83,151.75

Finding the Fourth Proportional to 146,278.77, 219,238.60 and 83,151.75

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Solution

The fourth proportional to 146,278.77, 219,238.60 and 83,151.75 is: 124,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,278.77 : 219,238.60 = 83,151.75 : x
  2. Step 2: Convert to fraction form
    146,278.77/219,238.60 = 83,151.75/x
  3. Step 3: Cross multiply
    146,278.77x = 219,238.60 × 83,151.75
  4. Step 4: Simplify right side
    146,278.77x = 18,230,073,257.55
  5. Step 5: Solve for x
    x = 18,230,073,257.55/146,278.77
  6. Step 6: Final answer
    x = 124,625.56

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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.