Home / 187,720.26-281,628.09-54,600.51

Finding the Fourth Proportional to 187,720.26, 281,628.09 and 54,600.51

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Solution

The fourth proportional to 187,720.26, 281,628.09 and 54,600.51 is: 81,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,720.26 : 281,628.09 = 54,600.51 : x
  2. Step 2: Convert to fraction form
    187,720.26/281,628.09 = 54,600.51/x
  3. Step 3: Cross multiply
    187,720.26x = 281,628.09 × 54,600.51
  4. Step 4: Simplify right side
    187,720.26x = 15,377,037,344.33
  5. Step 5: Solve for x
    x = 15,377,037,344.33/187,720.26
  6. Step 6: Final answer
    x = 81,914.64

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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.