Home / 165,942.70-248,881.65-55,134.70

Finding the Fourth Proportional to 165,942.70, 248,881.65 and 55,134.70

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Solution

The fourth proportional to 165,942.70, 248,881.65 and 55,134.70 is: 82,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,942.70 : 248,881.65 = 55,134.70 : x
  2. Step 2: Convert to fraction form
    165,942.70/248,881.65 = 55,134.70/x
  3. Step 3: Cross multiply
    165,942.70x = 248,881.65 × 55,134.70
  4. Step 4: Simplify right side
    165,942.70x = 13,722,015,108.26
  5. Step 5: Solve for x
    x = 13,722,015,108.26/165,942.70
  6. Step 6: Final answer
    x = 82,691.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.