Home / 110,745.20-166,166.40-51,550.40

Finding the Fourth Proportional to 110,745.20, 166,166.40 and 51,550.40

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Solution

The fourth proportional to 110,745.20, 166,166.40 and 51,550.40 is: 77,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,745.20 : 166,166.40 = 51,550.40 : x
  2. Step 2: Convert to fraction form
    110,745.20/166,166.40 = 51,550.40/x
  3. Step 3: Cross multiply
    110,745.20x = 166,166.40 × 51,550.40
  4. Step 4: Simplify right side
    110,745.20x = 8,565,944,386.56
  5. Step 5: Solve for x
    x = 8,565,944,386.56/110,745.20
  6. Step 6: Final answer
    x = 77,348.22

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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.