Home / 161,192.25-222,447.61-88,601.86

Finding the Fourth Proportional to 161,192.25, 222,447.61 and 88,601.86

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Solution

The fourth proportional to 161,192.25, 222,447.61 and 88,601.86 is: 122,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,192.25 : 222,447.61 = 88,601.86 : x
  2. Step 2: Convert to fraction form
    161,192.25/222,447.61 = 88,601.86/x
  3. Step 3: Cross multiply
    161,192.25x = 222,447.61 × 88,601.86
  4. Step 4: Simplify right side
    161,192.25x = 19,709,271,998.55
  5. Step 5: Solve for x
    x = 19,709,271,998.55/161,192.25
  6. Step 6: Final answer
    x = 122,271.83

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Why These Related Problems?

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