Home / 201,443.10-302,397.45-108,131.10

Finding the Fourth Proportional to 201,443.10, 302,397.45 and 108,131.10

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Solution

The fourth proportional to 201,443.10, 302,397.45 and 108,131.10 is: 162,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,443.10 : 302,397.45 = 108,131.10 : x
  2. Step 2: Convert to fraction form
    201,443.10/302,397.45 = 108,131.10/x
  3. Step 3: Cross multiply
    201,443.10x = 302,397.45 × 108,131.10
  4. Step 4: Simplify right side
    201,443.10x = 32,698,568,905.70
  5. Step 5: Solve for x
    x = 32,698,568,905.70/201,443.10
  6. Step 6: Final answer
    x = 162,321.61

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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.