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Finding the Fourth Proportional to 110,051.88, 165,172.08 and 109,223.52

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Solution

The fourth proportional to 110,051.88, 165,172.08 and 109,223.52 is: 163,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,051.88 : 165,172.08 = 109,223.52 : x
  2. Step 2: Convert to fraction form
    110,051.88/165,172.08 = 109,223.52/x
  3. Step 3: Cross multiply
    110,051.88x = 165,172.08 × 109,223.52
  4. Step 4: Simplify right side
    110,051.88x = 18,040,675,983.32
  5. Step 5: Solve for x
    x = 18,040,675,983.32/110,051.88
  6. Step 6: Final answer
    x = 163,928.83

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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.