Home / 133,076.25-199,645.83-43,118.81

Finding the Fourth Proportional to 133,076.25, 199,645.83 and 43,118.81

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Solution

The fourth proportional to 133,076.25, 199,645.83 and 43,118.81 is: 64,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.25 : 199,645.83 = 43,118.81 : x
  2. Step 2: Convert to fraction form
    133,076.25/199,645.83 = 43,118.81/x
  3. Step 3: Cross multiply
    133,076.25x = 199,645.83 × 43,118.81
  4. Step 4: Simplify right side
    133,076.25x = 8,608,490,361.51
  5. Step 5: Solve for x
    x = 8,608,490,361.51/133,076.25
  6. Step 6: Final answer
    x = 64,688.41

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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.