Home / 110,286.90-165,539.70-54,190.35

Finding the Fourth Proportional to 110,286.90, 165,539.70 and 54,190.35

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Solution

The fourth proportional to 110,286.90, 165,539.70 and 54,190.35 is: 81,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,286.90 : 165,539.70 = 54,190.35 : x
  2. Step 2: Convert to fraction form
    110,286.90/165,539.70 = 54,190.35/x
  3. Step 3: Cross multiply
    110,286.90x = 165,539.70 × 54,190.35
  4. Step 4: Simplify right side
    110,286.90x = 8,970,654,281.90
  5. Step 5: Solve for x
    x = 8,970,654,281.90/110,286.90
  6. Step 6: Final answer
    x = 81,339.25

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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.