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Finding the Fourth Proportional to 155,161.36, 214,122.92 and 88,093.36

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Solution

The fourth proportional to 155,161.36, 214,122.92 and 88,093.36 is: 121,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,161.36 : 214,122.92 = 88,093.36 : x
  2. Step 2: Convert to fraction form
    155,161.36/214,122.92 = 88,093.36/x
  3. Step 3: Cross multiply
    155,161.36x = 214,122.92 × 88,093.36
  4. Step 4: Simplify right side
    155,161.36x = 18,862,807,475.81
  5. Step 5: Solve for x
    x = 18,862,807,475.81/155,161.36
  6. Step 6: Final answer
    x = 121,568.97

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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.