Home / 119,410.24-179,163.78-76,763.32

Finding the Fourth Proportional to 119,410.24, 179,163.78 and 76,763.32

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Solution

The fourth proportional to 119,410.24, 179,163.78 and 76,763.32 is: 115,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,410.24 : 179,163.78 = 76,763.32 : x
  2. Step 2: Convert to fraction form
    119,410.24/179,163.78 = 76,763.32/x
  3. Step 3: Cross multiply
    119,410.24x = 179,163.78 × 76,763.32
  4. Step 4: Simplify right side
    119,410.24x = 13,753,206,576.55
  5. Step 5: Solve for x
    x = 13,753,206,576.55/119,410.24
  6. Step 6: Final answer
    x = 115,176.11

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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.