Home / 119,889.24-165,446.82-66,173.91

Finding the Fourth Proportional to 119,889.24, 165,446.82 and 66,173.91

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Solution

The fourth proportional to 119,889.24, 165,446.82 and 66,173.91 is: 91,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,889.24 : 165,446.82 = 66,173.91 : x
  2. Step 2: Convert to fraction form
    119,889.24/165,446.82 = 66,173.91/x
  3. Step 3: Cross multiply
    119,889.24x = 165,446.82 × 66,173.91
  4. Step 4: Simplify right side
    119,889.24x = 10,948,262,976.47
  5. Step 5: Solve for x
    x = 10,948,262,976.47/119,889.24
  6. Step 6: Final answer
    x = 91,319.81

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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.