Home / 110,309.72-165,431.70-40,172.63

Finding the Fourth Proportional to 110,309.72, 165,431.70 and 40,172.63

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Solution

The fourth proportional to 110,309.72, 165,431.70 and 40,172.63 is: 60,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309.72 : 165,431.70 = 40,172.63 : x
  2. Step 2: Convert to fraction form
    110,309.72/165,431.70 = 40,172.63/x
  3. Step 3: Cross multiply
    110,309.72x = 165,431.70 × 40,172.63
  4. Step 4: Simplify right side
    110,309.72x = 6,645,825,647.21
  5. Step 5: Solve for x
    x = 6,645,825,647.21/110,309.72
  6. Step 6: Final answer
    x = 60,246.97

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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.