Home / 215,171.88-296,933.06-118,370.08

Finding the Fourth Proportional to 215,171.88, 296,933.06 and 118,370.08

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Solution

The fourth proportional to 215,171.88, 296,933.06 and 118,370.08 is: 163,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,171.88 : 296,933.06 = 118,370.08 : x
  2. Step 2: Convert to fraction form
    215,171.88/296,933.06 = 118,370.08/x
  3. Step 3: Cross multiply
    215,171.88x = 296,933.06 × 118,370.08
  4. Step 4: Simplify right side
    215,171.88x = 35,147,987,990.33
  5. Step 5: Solve for x
    x = 35,147,987,990.33/215,171.88
  6. Step 6: Final answer
    x = 163,348.43

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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.