Home / 95,025.56-142,439.92-78,208.89

Finding the Fourth Proportional to 95,025.56, 142,439.92 and 78,208.89

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Solution

The fourth proportional to 95,025.56, 142,439.92 and 78,208.89 is: 117,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,025.56 : 142,439.92 = 78,208.89 : x
  2. Step 2: Convert to fraction form
    95,025.56/142,439.92 = 78,208.89/x
  3. Step 3: Cross multiply
    95,025.56x = 142,439.92 × 78,208.89
  4. Step 4: Simplify right side
    95,025.56x = 11,140,067,305.22
  5. Step 5: Solve for x
    x = 11,140,067,305.22/95,025.56
  6. Step 6: Final answer
    x = 117,232.33

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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.