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Finding the Fourth Proportional to 118,229.40, 177,344.10 and 111,317.40

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Solution

The fourth proportional to 118,229.40, 177,344.10 and 111,317.40 is: 166,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,229.40 : 177,344.10 = 111,317.40 : x
  2. Step 2: Convert to fraction form
    118,229.40/177,344.10 = 111,317.40/x
  3. Step 3: Cross multiply
    118,229.40x = 177,344.10 × 111,317.40
  4. Step 4: Simplify right side
    118,229.40x = 19,741,484,117.34
  5. Step 5: Solve for x
    x = 19,741,484,117.34/118,229.40
  6. Step 6: Final answer
    x = 166,976.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.