Home / 149,308.14-206,045.22-82,240.14

Finding the Fourth Proportional to 149,308.14, 206,045.22 and 82,240.14

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Solution

The fourth proportional to 149,308.14, 206,045.22 and 82,240.14 is: 113,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,308.14 : 206,045.22 = 82,240.14 : x
  2. Step 2: Convert to fraction form
    149,308.14/206,045.22 = 82,240.14/x
  3. Step 3: Cross multiply
    149,308.14x = 206,045.22 × 82,240.14
  4. Step 4: Simplify right side
    149,308.14x = 16,945,187,739.13
  5. Step 5: Solve for x
    x = 16,945,187,739.13/149,308.14
  6. Step 6: Final answer
    x = 113,491.39

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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.