Home / 99,721.57-149,606.97-29,600.86

Finding the Fourth Proportional to 99,721.57, 149,606.97 and 29,600.86

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Solution

The fourth proportional to 99,721.57, 149,606.97 and 29,600.86 is: 44,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,721.57 : 149,606.97 = 29,600.86 : x
  2. Step 2: Convert to fraction form
    99,721.57/149,606.97 = 29,600.86/x
  3. Step 3: Cross multiply
    99,721.57x = 149,606.97 × 29,600.86
  4. Step 4: Simplify right side
    99,721.57x = 4,428,494,973.99
  5. Step 5: Solve for x
    x = 4,428,494,973.99/99,721.57
  6. Step 6: Final answer
    x = 44,408.60

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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.