Home / 148,045.05-222,067.58-100,805.85

Finding the Fourth Proportional to 148,045.05, 222,067.58 and 100,805.85

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Solution

The fourth proportional to 148,045.05, 222,067.58 and 100,805.85 is: 151,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,045.05 : 222,067.58 = 100,805.85 : x
  2. Step 2: Convert to fraction form
    148,045.05/222,067.58 = 100,805.85/x
  3. Step 3: Cross multiply
    148,045.05x = 222,067.58 × 100,805.85
  4. Step 4: Simplify right side
    148,045.05x = 22,385,710,655.31
  5. Step 5: Solve for x
    x = 22,385,710,655.31/148,045.05
  6. Step 6: Final answer
    x = 151,208.78

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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.