Home / 68,238.19-102,343.16-18,306.41

Finding the Fourth Proportional to 68,238.19, 102,343.16 and 18,306.41

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Solution

The fourth proportional to 68,238.19, 102,343.16 and 18,306.41 is: 27,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,238.19 : 102,343.16 = 18,306.41 : x
  2. Step 2: Convert to fraction form
    68,238.19/102,343.16 = 18,306.41/x
  3. Step 3: Cross multiply
    68,238.19x = 102,343.16 × 18,306.41
  4. Step 4: Simplify right side
    68,238.19x = 1,873,536,149.28
  5. Step 5: Solve for x
    x = 1,873,536,149.28/68,238.19
  6. Step 6: Final answer
    x = 27,455.83

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1.5x scale

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.