Home / 143,029.97-197,618.69-113,045.21

Finding the Fourth Proportional to 143,029.97, 197,618.69 and 113,045.21

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Solution

The fourth proportional to 143,029.97, 197,618.69 and 113,045.21 is: 156,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,029.97 : 197,618.69 = 113,045.21 : x
  2. Step 2: Convert to fraction form
    143,029.97/197,618.69 = 113,045.21/x
  3. Step 3: Cross multiply
    143,029.97x = 197,618.69 × 113,045.21
  4. Step 4: Simplify right side
    143,029.97x = 22,339,845,745.75
  5. Step 5: Solve for x
    x = 22,339,845,745.75/143,029.97
  6. Step 6: Final answer
    x = 156,189.96

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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.