Home / 110,310.03-165,415.84-31,405.80

Finding the Fourth Proportional to 110,310.03, 165,415.84 and 31,405.80

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Solution

The fourth proportional to 110,310.03, 165,415.84 and 31,405.80 is: 47,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,310.03 : 165,415.84 = 31,405.80 : x
  2. Step 2: Convert to fraction form
    110,310.03/165,415.84 = 31,405.80/x
  3. Step 3: Cross multiply
    110,310.03x = 165,415.84 × 31,405.80
  4. Step 4: Simplify right side
    110,310.03x = 5,195,016,787.87
  5. Step 5: Solve for x
    x = 5,195,016,787.87/110,310.03
  6. Step 6: Final answer
    x = 47,094.69

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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.