Home / 133,261.20-199,868.76-50,155.92

Finding the Fourth Proportional to 133,261.20, 199,868.76 and 50,155.92

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Solution

The fourth proportional to 133,261.20, 199,868.76 and 50,155.92 is: 75,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,261.20 : 199,868.76 = 50,155.92 : x
  2. Step 2: Convert to fraction form
    133,261.20/199,868.76 = 50,155.92/x
  3. Step 3: Cross multiply
    133,261.20x = 199,868.76 × 50,155.92
  4. Step 4: Simplify right side
    133,261.20x = 10,024,601,537.06
  5. Step 5: Solve for x
    x = 10,024,601,537.06/133,261.20
  6. Step 6: Final answer
    x = 75,225.21

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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.