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Finding the Fourth Proportional to 111,404.70, 167,109.48 and 27,165.44

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Solution

The fourth proportional to 111,404.70, 167,109.48 and 27,165.44 is: 40,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,404.70 : 167,109.48 = 27,165.44 : x
  2. Step 2: Convert to fraction form
    111,404.70/167,109.48 = 27,165.44/x
  3. Step 3: Cross multiply
    111,404.70x = 167,109.48 × 27,165.44
  4. Step 4: Simplify right side
    111,404.70x = 4,539,602,970.14
  5. Step 5: Solve for x
    x = 4,539,602,970.14/111,404.70
  6. Step 6: Final answer
    x = 40,748.76

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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.