Home / 133,276.96-199,912.26-43,319.56

Finding the Fourth Proportional to 133,276.96, 199,912.26 and 43,319.56

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Solution

The fourth proportional to 133,276.96, 199,912.26 and 43,319.56 is: 64,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,276.96 : 199,912.26 = 43,319.56 : x
  2. Step 2: Convert to fraction form
    133,276.96/199,912.26 = 43,319.56/x
  3. Step 3: Cross multiply
    133,276.96x = 199,912.26 × 43,319.56
  4. Step 4: Simplify right side
    133,276.96x = 8,660,111,141.81
  5. Step 5: Solve for x
    x = 8,660,111,141.81/133,276.96
  6. Step 6: Final answer
    x = 64,978.31

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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.