Home / 148,104.60-222,058.44-81,576

Finding the Fourth Proportional to 148,104.60, 222,058.44 and 81,576

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Solution

The fourth proportional to 148,104.60, 222,058.44 and 81,576 is: 122,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,104.60 : 222,058.44 = 81,576 : x
  2. Step 2: Convert to fraction form
    148,104.60/222,058.44 = 81,576/x
  3. Step 3: Cross multiply
    148,104.60x = 222,058.44 × 81,576
  4. Step 4: Simplify right side
    148,104.60x = 18,114,639,301.44
  5. Step 5: Solve for x
    x = 18,114,639,301.44/148,104.60
  6. Step 6: Final answer
    x = 122,309.77

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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.