Home / 102,282.04-153,290.58-82,568.44

Finding the Fourth Proportional to 102,282.04, 153,290.58 and 82,568.44

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Solution

The fourth proportional to 102,282.04, 153,290.58 and 82,568.44 is: 123,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,282.04 : 153,290.58 = 82,568.44 : x
  2. Step 2: Convert to fraction form
    102,282.04/153,290.58 = 82,568.44/x
  3. Step 3: Cross multiply
    102,282.04x = 153,290.58 × 82,568.44
  4. Step 4: Simplify right side
    102,282.04x = 12,656,964,057.30
  5. Step 5: Solve for x
    x = 12,656,964,057.30/102,282.04
  6. Step 6: Final answer
    x = 123,745.71

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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.