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Finding the Fourth Proportional to 110,159.80, 165,240.42 and 35,291.32

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Solution

The fourth proportional to 110,159.80, 165,240.42 and 35,291.32 is: 52,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,159.80 : 165,240.42 = 35,291.32 : x
  2. Step 2: Convert to fraction form
    110,159.80/165,240.42 = 35,291.32/x
  3. Step 3: Cross multiply
    110,159.80x = 165,240.42 × 35,291.32
  4. Step 4: Simplify right side
    110,159.80x = 5,831,552,539.15
  5. Step 5: Solve for x
    x = 5,831,552,539.15/110,159.80
  6. Step 6: Final answer
    x = 52,937.21

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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.