Home / 214,823.82-296,409.15-129,939.06

Finding the Fourth Proportional to 214,823.82, 296,409.15 and 129,939.06

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Solution

The fourth proportional to 214,823.82, 296,409.15 and 129,939.06 is: 179,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,823.82 : 296,409.15 = 129,939.06 : x
  2. Step 2: Convert to fraction form
    214,823.82/296,409.15 = 129,939.06/x
  3. Step 3: Cross multiply
    214,823.82x = 296,409.15 × 129,939.06
  4. Step 4: Simplify right side
    214,823.82x = 38,515,126,326.40
  5. Step 5: Solve for x
    x = 38,515,126,326.40/214,823.82
  6. Step 6: Final answer
    x = 179,287.04

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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.