Home / 138,991.56-208,485.24-44,227.50

Finding the Fourth Proportional to 138,991.56, 208,485.24 and 44,227.50

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Solution

The fourth proportional to 138,991.56, 208,485.24 and 44,227.50 is: 66,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,991.56 : 208,485.24 = 44,227.50 : x
  2. Step 2: Convert to fraction form
    138,991.56/208,485.24 = 44,227.50/x
  3. Step 3: Cross multiply
    138,991.56x = 208,485.24 × 44,227.50
  4. Step 4: Simplify right side
    138,991.56x = 9,220,780,952.10
  5. Step 5: Solve for x
    x = 9,220,780,952.10/138,991.56
  6. Step 6: Final answer
    x = 66,340.58

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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.