Home / 110,628.27-165,943.32-31,745.01

Finding the Fourth Proportional to 110,628.27, 165,943.32 and 31,745.01

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Solution

The fourth proportional to 110,628.27, 165,943.32 and 31,745.01 is: 47,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,628.27 : 165,943.32 = 31,745.01 : x
  2. Step 2: Convert to fraction form
    110,628.27/165,943.32 = 31,745.01/x
  3. Step 3: Cross multiply
    110,628.27x = 165,943.32 × 31,745.01
  4. Step 4: Simplify right side
    110,628.27x = 5,267,872,352.83
  5. Step 5: Solve for x
    x = 5,267,872,352.83/110,628.27
  6. Step 6: Final answer
    x = 47,617.78

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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.