Home / 211,914.25-317,836.02-69,761.07

Finding the Fourth Proportional to 211,914.25, 317,836.02 and 69,761.07

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Solution

The fourth proportional to 211,914.25, 317,836.02 and 69,761.07 is: 104,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,914.25 : 317,836.02 = 69,761.07 : x
  2. Step 2: Convert to fraction form
    211,914.25/317,836.02 = 69,761.07/x
  3. Step 3: Cross multiply
    211,914.25x = 317,836.02 × 69,761.07
  4. Step 4: Simplify right side
    211,914.25x = 22,172,580,839.74
  5. Step 5: Solve for x
    x = 22,172,580,839.74/211,914.25
  6. Step 6: Final answer
    x = 104,629.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.