Home / 161,471.68-222,827.96-89,851.07

Finding the Fourth Proportional to 161,471.68, 222,827.96 and 89,851.07

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Solution

The fourth proportional to 161,471.68, 222,827.96 and 89,851.07 is: 123,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,471.68 : 222,827.96 = 89,851.07 : x
  2. Step 2: Convert to fraction form
    161,471.68/222,827.96 = 89,851.07/x
  3. Step 3: Cross multiply
    161,471.68x = 222,827.96 × 89,851.07
  4. Step 4: Simplify right side
    161,471.68x = 20,021,331,413.61
  5. Step 5: Solve for x
    x = 20,021,331,413.61/161,471.68
  6. Step 6: Final answer
    x = 123,992.84

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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.