Home / 148,107.60-222,062.94-81,579

Finding the Fourth Proportional to 148,107.60, 222,062.94 and 81,579

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Solution

The fourth proportional to 148,107.60, 222,062.94 and 81,579 is: 122,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,107.60 : 222,062.94 = 81,579 : x
  2. Step 2: Convert to fraction form
    148,107.60/222,062.94 = 81,579/x
  3. Step 3: Cross multiply
    148,107.60x = 222,062.94 × 81,579
  4. Step 4: Simplify right side
    148,107.60x = 18,115,672,582.26
  5. Step 5: Solve for x
    x = 18,115,672,582.26/148,107.60
  6. Step 6: Final answer
    x = 122,314.27

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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.