Home / 148,497.22-222,862.48-81,983.26

Finding the Fourth Proportional to 148,497.22, 222,862.48 and 81,983.26

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Solution

The fourth proportional to 148,497.22, 222,862.48 and 81,983.26 is: 123,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,497.22 : 222,862.48 = 81,983.26 : x
  2. Step 2: Convert to fraction form
    148,497.22/222,862.48 = 81,983.26/x
  3. Step 3: Cross multiply
    148,497.22x = 222,862.48 × 81,983.26
  4. Step 4: Simplify right side
    148,497.22x = 18,270,992,642.08
  5. Step 5: Solve for x
    x = 18,270,992,642.08/148,497.22
  6. Step 6: Final answer
    x = 123,039.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.