Home / 89,365.66-134,067.77-30,200.02

Finding the Fourth Proportional to 89,365.66, 134,067.77 and 30,200.02

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Solution

The fourth proportional to 89,365.66, 134,067.77 and 30,200.02 is: 45,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,365.66 : 134,067.77 = 30,200.02 : x
  2. Step 2: Convert to fraction form
    89,365.66/134,067.77 = 30,200.02/x
  3. Step 3: Cross multiply
    89,365.66x = 134,067.77 × 30,200.02
  4. Step 4: Simplify right side
    89,365.66x = 4,048,848,665.02
  5. Step 5: Solve for x
    x = 4,048,848,665.02/89,365.66
  6. Step 6: Final answer
    x = 45,306.54

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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.