Home / 119,976.62-165,546.06-68,977.40

Finding the Fourth Proportional to 119,976.62, 165,546.06 and 68,977.40

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Solution

The fourth proportional to 119,976.62, 165,546.06 and 68,977.40 is: 95,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976.62 : 165,546.06 = 68,977.40 : x
  2. Step 2: Convert to fraction form
    119,976.62/165,546.06 = 68,977.40/x
  3. Step 3: Cross multiply
    119,976.62x = 165,546.06 × 68,977.40
  4. Step 4: Simplify right side
    119,976.62x = 11,418,936,799.04
  5. Step 5: Solve for x
    x = 11,418,936,799.04/119,976.62
  6. Step 6: Final answer
    x = 95,176.35

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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.