Home / 111,638.45-167,453.58-27,398.86

Finding the Fourth Proportional to 111,638.45, 167,453.58 and 27,398.86

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Solution

The fourth proportional to 111,638.45, 167,453.58 and 27,398.86 is: 41,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,638.45 : 167,453.58 = 27,398.86 : x
  2. Step 2: Convert to fraction form
    111,638.45/167,453.58 = 27,398.86/x
  3. Step 3: Cross multiply
    111,638.45x = 167,453.58 × 27,398.86
  4. Step 4: Simplify right side
    111,638.45x = 4,588,036,724.91
  5. Step 5: Solve for x
    x = 4,588,036,724.91/111,638.45
  6. Step 6: Final answer
    x = 41,097.28

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1.5x scale

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.