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Finding the Fourth Proportional to 85,164.67, 127,766.78 and 29,005.26

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Solution

The fourth proportional to 85,164.67, 127,766.78 and 29,005.26 is: 43,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164.67 : 127,766.78 = 29,005.26 : x
  2. Step 2: Convert to fraction form
    85,164.67/127,766.78 = 29,005.26/x
  3. Step 3: Cross multiply
    85,164.67x = 127,766.78 × 29,005.26
  4. Step 4: Simplify right side
    85,164.67x = 3,705,909,007.36
  5. Step 5: Solve for x
    x = 3,705,909,007.36/85,164.67
  6. Step 6: Final answer
    x = 43,514.63

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1.5x scale

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.