Home / 119,764.35-179,662.92-40,857.39

Finding the Fourth Proportional to 119,764.35, 179,662.92 and 40,857.39

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Solution

The fourth proportional to 119,764.35, 179,662.92 and 40,857.39 is: 61,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,764.35 : 179,662.92 = 40,857.39 : x
  2. Step 2: Convert to fraction form
    119,764.35/179,662.92 = 40,857.39/x
  3. Step 3: Cross multiply
    119,764.35x = 179,662.92 × 40,857.39
  4. Step 4: Simplify right side
    119,764.35x = 7,340,557,990.98
  5. Step 5: Solve for x
    x = 7,340,557,990.98/119,764.35
  6. Step 6: Final answer
    x = 61,291.68

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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.