Home / 165,770.10-248,687.55-71,000.10

Finding the Fourth Proportional to 165,770.10, 248,687.55 and 71,000.10

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Solution

The fourth proportional to 165,770.10, 248,687.55 and 71,000.10 is: 106,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,770.10 : 248,687.55 = 71,000.10 : x
  2. Step 2: Convert to fraction form
    165,770.10/248,687.55 = 71,000.10/x
  3. Step 3: Cross multiply
    165,770.10x = 248,687.55 × 71,000.10
  4. Step 4: Simplify right side
    165,770.10x = 17,656,840,918.76
  5. Step 5: Solve for x
    x = 17,656,840,918.76/165,770.10
  6. Step 6: Final answer
    x = 106,514.03

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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.