Home / 220,336.12-303,951.92-143,899.95

Finding the Fourth Proportional to 220,336.12, 303,951.92 and 143,899.95

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Solution

The fourth proportional to 220,336.12, 303,951.92 and 143,899.95 is: 198,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,336.12 : 303,951.92 = 143,899.95 : x
  2. Step 2: Convert to fraction form
    220,336.12/303,951.92 = 143,899.95/x
  3. Step 3: Cross multiply
    220,336.12x = 303,951.92 × 143,899.95
  4. Step 4: Simplify right side
    220,336.12x = 43,738,666,090.40
  5. Step 5: Solve for x
    x = 43,738,666,090.40/220,336.12
  6. Step 6: Final answer
    x = 198,508.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.