Home / 127,579.80-190,932.30-88,213.80

Finding the Fourth Proportional to 127,579.80, 190,932.30 and 88,213.80

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Solution

The fourth proportional to 127,579.80, 190,932.30 and 88,213.80 is: 132,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,579.80 : 190,932.30 = 88,213.80 : x
  2. Step 2: Convert to fraction form
    127,579.80/190,932.30 = 88,213.80/x
  3. Step 3: Cross multiply
    127,579.80x = 190,932.30 × 88,213.80
  4. Step 4: Simplify right side
    127,579.80x = 16,842,863,725.74
  5. Step 5: Solve for x
    x = 16,842,863,725.74/127,579.80
  6. Step 6: Final answer
    x = 132,018.26

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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.