Home / 145,360.80-218,067.12-40,177.44

Finding the Fourth Proportional to 145,360.80, 218,067.12 and 40,177.44

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Solution

The fourth proportional to 145,360.80, 218,067.12 and 40,177.44 is: 60,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,360.80 : 218,067.12 = 40,177.44 : x
  2. Step 2: Convert to fraction form
    145,360.80/218,067.12 = 40,177.44/x
  3. Step 3: Cross multiply
    145,360.80x = 218,067.12 × 40,177.44
  4. Step 4: Simplify right side
    145,360.80x = 8,761,378,629.77
  5. Step 5: Solve for x
    x = 8,761,378,629.77/145,360.80
  6. Step 6: Final answer
    x = 60,273.32

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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.