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Finding the Fourth Proportional to 160,387.05, 221,327.32 and 88,760.37

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Solution

The fourth proportional to 160,387.05, 221,327.32 and 88,760.37 is: 122,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,387.05 : 221,327.32 = 88,760.37 : x
  2. Step 2: Convert to fraction form
    160,387.05/221,327.32 = 88,760.37/x
  3. Step 3: Cross multiply
    160,387.05x = 221,327.32 × 88,760.37
  4. Step 4: Simplify right side
    160,387.05x = 19,645,094,814.31
  5. Step 5: Solve for x
    x = 19,645,094,814.31/160,387.05
  6. Step 6: Final answer
    x = 122,485.54

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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.