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Finding the Fourth Proportional to 169,670.47, 254,118.10 and 80,986.26

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Solution

The fourth proportional to 169,670.47, 254,118.10 and 80,986.26 is: 121,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,670.47 : 254,118.10 = 80,986.26 : x
  2. Step 2: Convert to fraction form
    169,670.47/254,118.10 = 80,986.26/x
  3. Step 3: Cross multiply
    169,670.47x = 254,118.10 × 80,986.26
  4. Step 4: Simplify right side
    169,670.47x = 20,580,073,513.75
  5. Step 5: Solve for x
    x = 20,580,073,513.75/169,670.47
  6. Step 6: Final answer
    x = 121,294.37

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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.