Home / 133,183.31-199,705.98-48,921.71

Finding the Fourth Proportional to 133,183.31, 199,705.98 and 48,921.71

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Solution

The fourth proportional to 133,183.31, 199,705.98 and 48,921.71 is: 73,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,183.31 : 199,705.98 = 48,921.71 : x
  2. Step 2: Convert to fraction form
    133,183.31/199,705.98 = 48,921.71/x
  3. Step 3: Cross multiply
    133,183.31x = 199,705.98 × 48,921.71
  4. Step 4: Simplify right side
    133,183.31x = 9,769,957,605.74
  5. Step 5: Solve for x
    x = 9,769,957,605.74/133,183.31
  6. Step 6: Final answer
    x = 73,357.22

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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.