Home / 148,110.66-222,067.44-81,582.12

Finding the Fourth Proportional to 148,110.66, 222,067.44 and 81,582.12

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Solution

The fourth proportional to 148,110.66, 222,067.44 and 81,582.12 is: 122,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,110.66 : 222,067.44 = 81,582.12 : x
  2. Step 2: Convert to fraction form
    148,110.66/222,067.44 = 81,582.12/x
  3. Step 3: Cross multiply
    148,110.66x = 222,067.44 × 81,582.12
  4. Step 4: Simplify right side
    148,110.66x = 18,116,732,538.17
  5. Step 5: Solve for x
    x = 18,116,732,538.17/148,110.66
  6. Step 6: Final answer
    x = 122,318.90

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1.5x scale

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.