Home / 155,576.77-214,698.68-91,914.42

Finding the Fourth Proportional to 155,576.77, 214,698.68 and 91,914.42

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Solution

The fourth proportional to 155,576.77, 214,698.68 and 91,914.42 is: 126,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,576.77 : 214,698.68 = 91,914.42 : x
  2. Step 2: Convert to fraction form
    155,576.77/214,698.68 = 91,914.42/x
  3. Step 3: Cross multiply
    155,576.77x = 214,698.68 × 91,914.42
  4. Step 4: Simplify right side
    155,576.77x = 19,733,904,646.97
  5. Step 5: Solve for x
    x = 19,733,904,646.97/155,576.77
  6. Step 6: Final answer
    x = 126,843.52

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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.