Home / 68,834.20-103,239-18,233.59

Finding the Fourth Proportional to 68,834.20, 103,239 and 18,233.59

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Solution

The fourth proportional to 68,834.20, 103,239 and 18,233.59 is: 27,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,834.20 : 103,239 = 18,233.59 : x
  2. Step 2: Convert to fraction form
    68,834.20/103,239 = 18,233.59/x
  3. Step 3: Cross multiply
    68,834.20x = 103,239 × 18,233.59
  4. Step 4: Simplify right side
    68,834.20x = 1,882,417,598.01
  5. Step 5: Solve for x
    x = 1,882,417,598.01/68,834.20
  6. Step 6: Final answer
    x = 27,347.13

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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.