Home / 110,401.31-165,604.70-40,280.63

Finding the Fourth Proportional to 110,401.31, 165,604.70 and 40,280.63

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Solution

The fourth proportional to 110,401.31, 165,604.70 and 40,280.63 is: 60,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,401.31 : 165,604.70 = 40,280.63 : x
  2. Step 2: Convert to fraction form
    110,401.31/165,604.70 = 40,280.63/x
  3. Step 3: Cross multiply
    110,401.31x = 165,604.70 × 40,280.63
  4. Step 4: Simplify right side
    110,401.31x = 6,670,660,919.64
  5. Step 5: Solve for x
    x = 6,670,660,919.64/110,401.31
  6. Step 6: Final answer
    x = 60,421.93

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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.