Home / 187,757.37-281,632.96-45,603.81

Finding the Fourth Proportional to 187,757.37, 281,632.96 and 45,603.81

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Solution

The fourth proportional to 187,757.37, 281,632.96 and 45,603.81 is: 68,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,757.37 : 281,632.96 = 45,603.81 : x
  2. Step 2: Convert to fraction form
    187,757.37/281,632.96 = 45,603.81/x
  3. Step 3: Cross multiply
    187,757.37x = 281,632.96 × 45,603.81
  4. Step 4: Simplify right side
    187,757.37x = 12,843,535,997.58
  5. Step 5: Solve for x
    x = 12,843,535,997.58/187,757.37
  6. Step 6: Final answer
    x = 68,404.96

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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.