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Finding the Fourth Proportional to 118,297.53, 177,419.57 and 34,057.53

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Solution

The fourth proportional to 118,297.53, 177,419.57 and 34,057.53 is: 51,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,297.53 : 177,419.57 = 34,057.53 : x
  2. Step 2: Convert to fraction form
    118,297.53/177,419.57 = 34,057.53/x
  3. Step 3: Cross multiply
    118,297.53x = 177,419.57 × 34,057.53
  4. Step 4: Simplify right side
    118,297.53x = 6,042,472,157.57
  5. Step 5: Solve for x
    x = 6,042,472,157.57/118,297.53
  6. Step 6: Final answer
    x = 51,078.60

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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.