Home / 161,329.29-222,625.27-89,707.77

Finding the Fourth Proportional to 161,329.29, 222,625.27 and 89,707.77

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Solution

The fourth proportional to 161,329.29, 222,625.27 and 89,707.77 is: 123,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,329.29 : 222,625.27 = 89,707.77 : x
  2. Step 2: Convert to fraction form
    161,329.29/222,625.27 = 89,707.77/x
  3. Step 3: Cross multiply
    161,329.29x = 222,625.27 × 89,707.77
  4. Step 4: Simplify right side
    161,329.29x = 19,971,216,517.35
  5. Step 5: Solve for x
    x = 19,971,216,517.35/161,329.29
  6. Step 6: Final answer
    x = 123,791.63

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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.