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Finding the Fourth Proportional to 110,710.76, 152,778.66 and 60,410.60

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Solution

The fourth proportional to 110,710.76, 152,778.66 and 60,410.60 is: 83,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,710.76 : 152,778.66 = 60,410.60 : x
  2. Step 2: Convert to fraction form
    110,710.76/152,778.66 = 60,410.60/x
  3. Step 3: Cross multiply
    110,710.76x = 152,778.66 × 60,410.60
  4. Step 4: Simplify right side
    110,710.76x = 9,229,450,517.80
  5. Step 5: Solve for x
    x = 9,229,450,517.80/110,710.76
  6. Step 6: Final answer
    x = 83,365.43

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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.