Home / 149,284.24-206,002.80-82,216.24

Finding the Fourth Proportional to 149,284.24, 206,002.80 and 82,216.24

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Solution

The fourth proportional to 149,284.24, 206,002.80 and 82,216.24 is: 113,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,284.24 : 206,002.80 = 82,216.24 : x
  2. Step 2: Convert to fraction form
    149,284.24/206,002.80 = 82,216.24/x
  3. Step 3: Cross multiply
    149,284.24x = 206,002.80 × 82,216.24
  4. Step 4: Simplify right side
    149,284.24x = 16,936,775,645.47
  5. Step 5: Solve for x
    x = 16,936,775,645.47/149,284.24
  6. Step 6: Final answer
    x = 113,453.21

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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.