Home / 128,871.23-193,260.49-44,608.50

Finding the Fourth Proportional to 128,871.23, 193,260.49 and 44,608.50

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Solution

The fourth proportional to 128,871.23, 193,260.49 and 44,608.50 is: 66,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,871.23 : 193,260.49 = 44,608.50 : x
  2. Step 2: Convert to fraction form
    128,871.23/193,260.49 = 44,608.50/x
  3. Step 3: Cross multiply
    128,871.23x = 193,260.49 × 44,608.50
  4. Step 4: Simplify right side
    128,871.23x = 8,621,060,456.64
  5. Step 5: Solve for x
    x = 8,621,060,456.64/128,871.23
  6. Step 6: Final answer
    x = 66,896.71

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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.