Home / 150,917.26-208,265.80-83,849.26

Finding the Fourth Proportional to 150,917.26, 208,265.80 and 83,849.26

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Solution

The fourth proportional to 150,917.26, 208,265.80 and 83,849.26 is: 115,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,917.26 : 208,265.80 = 83,849.26 : x
  2. Step 2: Convert to fraction form
    150,917.26/208,265.80 = 83,849.26/x
  3. Step 3: Cross multiply
    150,917.26x = 208,265.80 × 83,849.26
  4. Step 4: Simplify right side
    150,917.26x = 17,462,933,213.31
  5. Step 5: Solve for x
    x = 17,462,933,213.31/150,917.26
  6. Step 6: Final answer
    x = 115,711.97

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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.