Home / 133,164.09-199,739.34-48,917.79

Finding the Fourth Proportional to 133,164.09, 199,739.34 and 48,917.79

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Solution

The fourth proportional to 133,164.09, 199,739.34 and 48,917.79 is: 73,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,164.09 : 199,739.34 = 48,917.79 : x
  2. Step 2: Convert to fraction form
    133,164.09/199,739.34 = 48,917.79/x
  3. Step 3: Cross multiply
    133,164.09x = 199,739.34 × 48,917.79
  4. Step 4: Simplify right side
    133,164.09x = 9,770,807,088.86
  5. Step 5: Solve for x
    x = 9,770,807,088.86/133,164.09
  6. Step 6: Final answer
    x = 73,374.19

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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.