Home / 119,899.04-165,524.11-77,481.77

Finding the Fourth Proportional to 119,899.04, 165,524.11 and 77,481.77

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Solution

The fourth proportional to 119,899.04, 165,524.11 and 77,481.77 is: 106,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,899.04 : 165,524.11 = 77,481.77 : x
  2. Step 2: Convert to fraction form
    119,899.04/165,524.11 = 77,481.77/x
  3. Step 3: Cross multiply
    119,899.04x = 165,524.11 × 77,481.77
  4. Step 4: Simplify right side
    119,899.04x = 12,825,099,999.15
  5. Step 5: Solve for x
    x = 12,825,099,999.15/119,899.04
  6. Step 6: Final answer
    x = 106,965.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.