Home / 113,169.96-156,119.94-75,395.88

Finding the Fourth Proportional to 113,169.96, 156,119.94 and 75,395.88

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Solution

The fourth proportional to 113,169.96, 156,119.94 and 75,395.88 is: 104,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,169.96 : 156,119.94 = 75,395.88 : x
  2. Step 2: Convert to fraction form
    113,169.96/156,119.94 = 75,395.88/x
  3. Step 3: Cross multiply
    113,169.96x = 156,119.94 × 75,395.88
  4. Step 4: Simplify right side
    113,169.96x = 11,770,800,261.85
  5. Step 5: Solve for x
    x = 11,770,800,261.85/113,169.96
  6. Step 6: Final answer
    x = 104,009.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.