Home / 135,282.72-202,972.38-60,396.20

Finding the Fourth Proportional to 135,282.72, 202,972.38 and 60,396.20

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Solution

The fourth proportional to 135,282.72, 202,972.38 and 60,396.20 is: 90,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,282.72 : 202,972.38 = 60,396.20 : x
  2. Step 2: Convert to fraction form
    135,282.72/202,972.38 = 60,396.20/x
  3. Step 3: Cross multiply
    135,282.72x = 202,972.38 × 60,396.20
  4. Step 4: Simplify right side
    135,282.72x = 12,258,759,442.09
  5. Step 5: Solve for x
    x = 12,258,759,442.09/135,282.72
  6. Step 6: Final answer
    x = 90,615.86

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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.