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Finding the Fourth Proportional to 118,103.01, 177,102.56 and 43,203.72

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Solution

The fourth proportional to 118,103.01, 177,102.56 and 43,203.72 is: 64,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,103.01 : 177,102.56 = 43,203.72 : x
  2. Step 2: Convert to fraction form
    118,103.01/177,102.56 = 43,203.72/x
  3. Step 3: Cross multiply
    118,103.01x = 177,102.56 × 43,203.72
  4. Step 4: Simplify right side
    118,103.01x = 7,651,490,185.67
  5. Step 5: Solve for x
    x = 7,651,490,185.67/118,103.01
  6. Step 6: Final answer
    x = 64,786.58

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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.