Home / 82,175.19-123,276.42-28,853.34

Finding the Fourth Proportional to 82,175.19, 123,276.42 and 28,853.34

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Solution

The fourth proportional to 82,175.19, 123,276.42 and 28,853.34 is: 43,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,175.19 : 123,276.42 = 28,853.34 : x
  2. Step 2: Convert to fraction form
    82,175.19/123,276.42 = 28,853.34/x
  3. Step 3: Cross multiply
    82,175.19x = 123,276.42 × 28,853.34
  4. Step 4: Simplify right side
    82,175.19x = 3,556,936,460.24
  5. Step 5: Solve for x
    x = 3,556,936,460.24/82,175.19
  6. Step 6: Final answer
    x = 43,284.80

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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.