Home / 165,939.74-248,909.76-71,108.38

Finding the Fourth Proportional to 165,939.74, 248,909.76 and 71,108.38

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Solution

The fourth proportional to 165,939.74, 248,909.76 and 71,108.38 is: 106,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,939.74 : 248,909.76 = 71,108.38 : x
  2. Step 2: Convert to fraction form
    165,939.74/248,909.76 = 71,108.38/x
  3. Step 3: Cross multiply
    165,939.74x = 248,909.76 × 71,108.38
  4. Step 4: Simplify right side
    165,939.74x = 17,699,570,110.93
  5. Step 5: Solve for x
    x = 17,699,570,110.93/165,939.74
  6. Step 6: Final answer
    x = 106,662.64

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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.