Home / 68,301.27-102,451.91-18,381.48

Finding the Fourth Proportional to 68,301.27, 102,451.91 and 18,381.48

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Solution

The fourth proportional to 68,301.27, 102,451.91 and 18,381.48 is: 27,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,301.27 : 102,451.91 = 18,381.48 : x
  2. Step 2: Convert to fraction form
    68,301.27/102,451.91 = 18,381.48/x
  3. Step 3: Cross multiply
    68,301.27x = 102,451.91 × 18,381.48
  4. Step 4: Simplify right side
    68,301.27x = 1,883,217,130.46
  5. Step 5: Solve for x
    x = 1,883,217,130.46/68,301.27
  6. Step 6: Final answer
    x = 27,572.21

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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.