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Finding the Fourth Proportional to 110,040.40, 165,060.60 and 109,384.30

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Solution

The fourth proportional to 110,040.40, 165,060.60 and 109,384.30 is: 164,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,040.40 : 165,060.60 = 109,384.30 : x
  2. Step 2: Convert to fraction form
    110,040.40/165,060.60 = 109,384.30/x
  3. Step 3: Cross multiply
    110,040.40x = 165,060.60 × 109,384.30
  4. Step 4: Simplify right side
    110,040.40x = 18,055,038,188.58
  5. Step 5: Solve for x
    x = 18,055,038,188.58/110,040.40
  6. Step 6: Final answer
    x = 164,076.45

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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.