Home / 90,229.77-135,349.11-23,670.05

Finding the Fourth Proportional to 90,229.77, 135,349.11 and 23,670.05

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Solution

The fourth proportional to 90,229.77, 135,349.11 and 23,670.05 is: 35,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,229.77 : 135,349.11 = 23,670.05 : x
  2. Step 2: Convert to fraction form
    90,229.77/135,349.11 = 23,670.05/x
  3. Step 3: Cross multiply
    90,229.77x = 135,349.11 × 23,670.05
  4. Step 4: Simplify right side
    90,229.77x = 3,203,719,524.41
  5. Step 5: Solve for x
    x = 3,203,719,524.41/90,229.77
  6. Step 6: Final answer
    x = 35,506.24

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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.