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Finding the Fourth Proportional to 134,674.72, 202,136.72 and 68,161.57

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Solution

The fourth proportional to 134,674.72, 202,136.72 and 68,161.57 is: 102,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,674.72 : 202,136.72 = 68,161.57 : x
  2. Step 2: Convert to fraction form
    134,674.72/202,136.72 = 68,161.57/x
  3. Step 3: Cross multiply
    134,674.72x = 202,136.72 × 68,161.57
  4. Step 4: Simplify right side
    134,674.72x = 13,777,955,343.70
  5. Step 5: Solve for x
    x = 13,777,955,343.70/134,674.72
  6. Step 6: Final answer
    x = 102,305.43

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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.