Home / 135,002.20-202,464.60-40,228.42

Finding the Fourth Proportional to 135,002.20, 202,464.60 and 40,228.42

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Solution

The fourth proportional to 135,002.20, 202,464.60 and 40,228.42 is: 60,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,002.20 : 202,464.60 = 40,228.42 : x
  2. Step 2: Convert to fraction form
    135,002.20/202,464.60 = 40,228.42/x
  3. Step 3: Cross multiply
    135,002.20x = 202,464.60 × 40,228.42
  4. Step 4: Simplify right side
    135,002.20x = 8,144,830,963.93
  5. Step 5: Solve for x
    x = 8,144,830,963.93/135,002.20
  6. Step 6: Final answer
    x = 60,331.10

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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.