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Finding the Fourth Proportional to 97,138.19, 134,027.38 and 54,696.73

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Solution

The fourth proportional to 97,138.19, 134,027.38 and 54,696.73 is: 75,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,138.19 : 134,027.38 = 54,696.73 : x
  2. Step 2: Convert to fraction form
    97,138.19/134,027.38 = 54,696.73/x
  3. Step 3: Cross multiply
    97,138.19x = 134,027.38 × 54,696.73
  4. Step 4: Simplify right side
    97,138.19x = 7,330,859,416.47
  5. Step 5: Solve for x
    x = 7,330,859,416.47/97,138.19
  6. Step 6: Final answer
    x = 75,468.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.