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Finding the Fourth Proportional to 169,330.38, 254,147.85 and 90,511.98

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Solution

The fourth proportional to 169,330.38, 254,147.85 and 90,511.98 is: 135,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,330.38 : 254,147.85 = 90,511.98 : x
  2. Step 2: Convert to fraction form
    169,330.38/254,147.85 = 90,511.98/x
  3. Step 3: Cross multiply
    169,330.38x = 254,147.85 × 90,511.98
  4. Step 4: Simplify right side
    169,330.38x = 23,003,425,116.24
  5. Step 5: Solve for x
    x = 23,003,425,116.24/169,330.38
  6. Step 6: Final answer
    x = 135,849.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.