Home / 119,764.60-165,267.50-66,050

Finding the Fourth Proportional to 119,764.60, 165,267.50 and 66,050

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Solution

The fourth proportional to 119,764.60, 165,267.50 and 66,050 is: 91,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,764.60 : 165,267.50 = 66,050 : x
  2. Step 2: Convert to fraction form
    119,764.60/165,267.50 = 66,050/x
  3. Step 3: Cross multiply
    119,764.60x = 165,267.50 × 66,050
  4. Step 4: Simplify right side
    119,764.60x = 10,915,918,375
  5. Step 5: Solve for x
    x = 10,915,918,375/119,764.60
  6. Step 6: Final answer
    x = 91,144.78

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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.