Home / 150,917.10-208,264.38-82,005.96

Finding the Fourth Proportional to 150,917.10, 208,264.38 and 82,005.96

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Solution

The fourth proportional to 150,917.10, 208,264.38 and 82,005.96 is: 113,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,917.10 : 208,264.38 = 82,005.96 : x
  2. Step 2: Convert to fraction form
    150,917.10/208,264.38 = 82,005.96/x
  3. Step 3: Cross multiply
    150,917.10x = 208,264.38 × 82,005.96
  4. Step 4: Simplify right side
    150,917.10x = 17,078,920,415.70
  5. Step 5: Solve for x
    x = 17,078,920,415.70/150,917.10
  6. Step 6: Final answer
    x = 113,167.56

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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.