Home / 119,914.80-165,480.27-66,198.67

Finding the Fourth Proportional to 119,914.80, 165,480.27 and 66,198.67

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Solution

The fourth proportional to 119,914.80, 165,480.27 and 66,198.67 is: 91,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,914.80 : 165,480.27 = 66,198.67 : x
  2. Step 2: Convert to fraction form
    119,914.80/165,480.27 = 66,198.67/x
  3. Step 3: Cross multiply
    119,914.80x = 165,480.27 × 66,198.67
  4. Step 4: Simplify right side
    119,914.80x = 10,954,573,123.30
  5. Step 5: Solve for x
    x = 10,954,573,123.30/119,914.80
  6. Step 6: Final answer
    x = 91,352.97

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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.