Home / 188,348.72-282,561.96-55,233.20

Finding the Fourth Proportional to 188,348.72, 282,561.96 and 55,233.20

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Solution

The fourth proportional to 188,348.72, 282,561.96 and 55,233.20 is: 82,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,348.72 : 282,561.96 = 55,233.20 : x
  2. Step 2: Convert to fraction form
    188,348.72/282,561.96 = 55,233.20/x
  3. Step 3: Cross multiply
    188,348.72x = 282,561.96 × 55,233.20
  4. Step 4: Simplify right side
    188,348.72x = 15,606,801,249.07
  5. Step 5: Solve for x
    x = 15,606,801,249.07/188,348.72
  6. Step 6: Final answer
    x = 82,861.20

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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.