Home / 119,861.04-165,470.42-87,559.39

Finding the Fourth Proportional to 119,861.04, 165,470.42 and 87,559.39

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Solution

The fourth proportional to 119,861.04, 165,470.42 and 87,559.39 is: 120,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,861.04 : 165,470.42 = 87,559.39 : x
  2. Step 2: Convert to fraction form
    119,861.04/165,470.42 = 87,559.39/x
  3. Step 3: Cross multiply
    119,861.04x = 165,470.42 × 87,559.39
  4. Step 4: Simplify right side
    119,861.04x = 14,488,489,121.73
  5. Step 5: Solve for x
    x = 14,488,489,121.73/119,861.04
  6. Step 6: Final answer
    x = 120,877.39

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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.