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Finding the Fourth Proportional to 155,167.36, 214,131.21 and 88,099.36

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Solution

The fourth proportional to 155,167.36, 214,131.21 and 88,099.36 is: 121,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,167.36 : 214,131.21 = 88,099.36 : x
  2. Step 2: Convert to fraction form
    155,167.36/214,131.21 = 88,099.36/x
  3. Step 3: Cross multiply
    155,167.36x = 214,131.21 × 88,099.36
  4. Step 4: Simplify right side
    155,167.36x = 18,864,822,557.03
  5. Step 5: Solve for x
    x = 18,864,822,557.03/155,167.36
  6. Step 6: Final answer
    x = 121,577.26

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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.