Home / 74,151.21-111,237.96-21,553.86

Finding the Fourth Proportional to 74,151.21, 111,237.96 and 21,553.86

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Solution

The fourth proportional to 74,151.21, 111,237.96 and 21,553.86 is: 32,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,151.21 : 111,237.96 = 21,553.86 : x
  2. Step 2: Convert to fraction form
    74,151.21/111,237.96 = 21,553.86/x
  3. Step 3: Cross multiply
    74,151.21x = 111,237.96 × 21,553.86
  4. Step 4: Simplify right side
    74,151.21x = 2,397,607,416.53
  5. Step 5: Solve for x
    x = 2,397,607,416.53/74,151.21
  6. Step 6: Final answer
    x = 32,334.03

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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.