Home / 170,848.70-256,273.05-82,080.80

Finding the Fourth Proportional to 170,848.70, 256,273.05 and 82,080.80

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Solution

The fourth proportional to 170,848.70, 256,273.05 and 82,080.80 is: 123,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,848.70 : 256,273.05 = 82,080.80 : x
  2. Step 2: Convert to fraction form
    170,848.70/256,273.05 = 82,080.80/x
  3. Step 3: Cross multiply
    170,848.70x = 256,273.05 × 82,080.80
  4. Step 4: Simplify right side
    170,848.70x = 21,035,096,962.44
  5. Step 5: Solve for x
    x = 21,035,096,962.44/170,848.70
  6. Step 6: Final answer
    x = 123,121.20

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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.