Home / 110,045.28-165,078.87-39,930.06

Finding the Fourth Proportional to 110,045.28, 165,078.87 and 39,930.06

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Solution

The fourth proportional to 110,045.28, 165,078.87 and 39,930.06 is: 59,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,045.28 : 165,078.87 = 39,930.06 : x
  2. Step 2: Convert to fraction form
    110,045.28/165,078.87 = 39,930.06/x
  3. Step 3: Cross multiply
    110,045.28x = 165,078.87 × 39,930.06
  4. Step 4: Simplify right side
    110,045.28x = 6,591,609,183.83
  5. Step 5: Solve for x
    x = 6,591,609,183.83/110,045.28
  6. Step 6: Final answer
    x = 59,899.06

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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.