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Finding the Fourth Proportional to 169,122.82, 253,500.82 and 84,679.36

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Solution

The fourth proportional to 169,122.82, 253,500.82 and 84,679.36 is: 126,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,122.82 : 253,500.82 = 84,679.36 : x
  2. Step 2: Convert to fraction form
    169,122.82/253,500.82 = 84,679.36/x
  3. Step 3: Cross multiply
    169,122.82x = 253,500.82 × 84,679.36
  4. Step 4: Simplify right side
    169,122.82x = 21,466,287,197.08
  5. Step 5: Solve for x
    x = 21,466,287,197.08/169,122.82
  6. Step 6: Final answer
    x = 126,927.21

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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.