Home / 187,939.77-281,839.41-75,582.03

Finding the Fourth Proportional to 187,939.77, 281,839.41 and 75,582.03

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Solution

The fourth proportional to 187,939.77, 281,839.41 and 75,582.03 is: 113,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,939.77 : 281,839.41 = 75,582.03 : x
  2. Step 2: Convert to fraction form
    187,939.77/281,839.41 = 75,582.03/x
  3. Step 3: Cross multiply
    187,939.77x = 281,839.41 × 75,582.03
  4. Step 4: Simplify right side
    187,939.77x = 21,301,994,741.80
  5. Step 5: Solve for x
    x = 21,301,994,741.80/187,939.77
  6. Step 6: Final answer
    x = 113,344.80

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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.