Home / 148,003.80-222,021.90-143,338.20

Finding the Fourth Proportional to 148,003.80, 222,021.90 and 143,338.20

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Solution

The fourth proportional to 148,003.80, 222,021.90 and 143,338.20 is: 215,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,003.80 : 222,021.90 = 143,338.20 : x
  2. Step 2: Convert to fraction form
    148,003.80/222,021.90 = 143,338.20/x
  3. Step 3: Cross multiply
    148,003.80x = 222,021.90 × 143,338.20
  4. Step 4: Simplify right side
    148,003.80x = 31,824,219,506.58
  5. Step 5: Solve for x
    x = 31,824,219,506.58/148,003.80
  6. Step 6: Final answer
    x = 215,022.99

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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.