Home / 119,818.91-165,348.99-66,104.34

Finding the Fourth Proportional to 119,818.91, 165,348.99 and 66,104.34

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Solution

The fourth proportional to 119,818.91, 165,348.99 and 66,104.34 is: 91,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,818.91 : 165,348.99 = 66,104.34 : x
  2. Step 2: Convert to fraction form
    119,818.91/165,348.99 = 66,104.34/x
  3. Step 3: Cross multiply
    119,818.91x = 165,348.99 × 66,104.34
  4. Step 4: Simplify right side
    119,818.91x = 10,930,285,853.62
  5. Step 5: Solve for x
    x = 10,930,285,853.62/119,818.91
  6. Step 6: Final answer
    x = 91,223.38

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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.