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Finding the Fourth Proportional to 134,694.72, 202,020.30 and 63,617.22

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Solution

The fourth proportional to 134,694.72, 202,020.30 and 63,617.22 is: 95,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,694.72 : 202,020.30 = 63,617.22 : x
  2. Step 2: Convert to fraction form
    134,694.72/202,020.30 = 63,617.22/x
  3. Step 3: Cross multiply
    134,694.72x = 202,020.30 × 63,617.22
  4. Step 4: Simplify right side
    134,694.72x = 12,851,969,869.57
  5. Step 5: Solve for x
    x = 12,851,969,869.57/134,694.72
  6. Step 6: Final answer
    x = 95,415.54

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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.