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Finding the Fourth Proportional to 147,469.82, 202,850.93 and 129,230.24

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Solution

The fourth proportional to 147,469.82, 202,850.93 and 129,230.24 is: 177,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,469.82 : 202,850.93 = 129,230.24 : x
  2. Step 2: Convert to fraction form
    147,469.82/202,850.93 = 129,230.24/x
  3. Step 3: Cross multiply
    147,469.82x = 202,850.93 × 129,230.24
  4. Step 4: Simplify right side
    147,469.82x = 26,214,473,676.94
  5. Step 5: Solve for x
    x = 26,214,473,676.94/147,469.82
  6. Step 6: Final answer
    x = 177,761.62

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1.5x scale

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.