Home / 135,034.32-202,678.60-68,522.20

Finding the Fourth Proportional to 135,034.32, 202,678.60 and 68,522.20

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Solution

The fourth proportional to 135,034.32, 202,678.60 and 68,522.20 is: 102,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,034.32 : 202,678.60 = 68,522.20 : x
  2. Step 2: Convert to fraction form
    135,034.32/202,678.60 = 68,522.20/x
  3. Step 3: Cross multiply
    135,034.32x = 202,678.60 × 68,522.20
  4. Step 4: Simplify right side
    135,034.32x = 13,887,983,564.92
  5. Step 5: Solve for x
    x = 13,887,983,564.92/135,034.32
  6. Step 6: Final answer
    x = 102,847.81

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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.