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Finding the Fourth Proportional to 169,786.63, 254,679.67 and 45,127.63

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Solution

The fourth proportional to 169,786.63, 254,679.67 and 45,127.63 is: 67,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,786.63 : 254,679.67 = 45,127.63 : x
  2. Step 2: Convert to fraction form
    169,786.63/254,679.67 = 45,127.63/x
  3. Step 3: Cross multiply
    169,786.63x = 254,679.67 × 45,127.63
  4. Step 4: Simplify right side
    169,786.63x = 11,493,089,916.28
  5. Step 5: Solve for x
    x = 11,493,089,916.28/169,786.63
  6. Step 6: Final answer
    x = 67,691.37

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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.