Home / 134,857.78-202,311.20-67,425.01

Finding the Fourth Proportional to 134,857.78, 202,311.20 and 67,425.01

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Solution

The fourth proportional to 134,857.78, 202,311.20 and 67,425.01 is: 101,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857.78 : 202,311.20 = 67,425.01 : x
  2. Step 2: Convert to fraction form
    134,857.78/202,311.20 = 67,425.01/x
  3. Step 3: Cross multiply
    134,857.78x = 202,311.20 × 67,425.01
  4. Step 4: Simplify right side
    134,857.78x = 13,640,834,345.90
  5. Step 5: Solve for x
    x = 13,640,834,345.90/134,857.78
  6. Step 6: Final answer
    x = 101,149.78

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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.