Home / 135,617.70-187,163.52-75,207.29

Finding the Fourth Proportional to 135,617.70, 187,163.52 and 75,207.29

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Solution

The fourth proportional to 135,617.70, 187,163.52 and 75,207.29 is: 103,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,617.70 : 187,163.52 = 75,207.29 : x
  2. Step 2: Convert to fraction form
    135,617.70/187,163.52 = 75,207.29/x
  3. Step 3: Cross multiply
    135,617.70x = 187,163.52 × 75,207.29
  4. Step 4: Simplify right side
    135,617.70x = 14,076,061,311.94
  5. Step 5: Solve for x
    x = 14,076,061,311.94/135,617.70
  6. Step 6: Final answer
    x = 103,792.21

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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.