Home / 165,938.80-248,909.10-41,279.80

Finding the Fourth Proportional to 165,938.80, 248,909.10 and 41,279.80

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Solution

The fourth proportional to 165,938.80, 248,909.10 and 41,279.80 is: 61,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,938.80 : 248,909.10 = 41,279.80 : x
  2. Step 2: Convert to fraction form
    165,938.80/248,909.10 = 41,279.80/x
  3. Step 3: Cross multiply
    165,938.80x = 248,909.10 × 41,279.80
  4. Step 4: Simplify right side
    165,938.80x = 10,274,917,866.18
  5. Step 5: Solve for x
    x = 10,274,917,866.18/165,938.80
  6. Step 6: Final answer
    x = 61,919.92

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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.