Home / 73,189.36-109,810.38-28,791.52

Finding the Fourth Proportional to 73,189.36, 109,810.38 and 28,791.52

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Solution

The fourth proportional to 73,189.36, 109,810.38 and 28,791.52 is: 43,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,189.36 : 109,810.38 = 28,791.52 : x
  2. Step 2: Convert to fraction form
    73,189.36/109,810.38 = 28,791.52/x
  3. Step 3: Cross multiply
    73,189.36x = 109,810.38 × 28,791.52
  4. Step 4: Simplify right side
    73,189.36x = 3,161,607,751.98
  5. Step 5: Solve for x
    x = 3,161,607,751.98/73,189.36
  6. Step 6: Final answer
    x = 43,197.64

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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.