Home / 126,669.43-189,896.84-55,538.16

Finding the Fourth Proportional to 126,669.43, 189,896.84 and 55,538.16

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Solution

The fourth proportional to 126,669.43, 189,896.84 and 55,538.16 is: 83,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,669.43 : 189,896.84 = 55,538.16 : x
  2. Step 2: Convert to fraction form
    126,669.43/189,896.84 = 55,538.16/x
  3. Step 3: Cross multiply
    126,669.43x = 189,896.84 × 55,538.16
  4. Step 4: Simplify right side
    126,669.43x = 10,546,521,280.47
  5. Step 5: Solve for x
    x = 10,546,521,280.47/126,669.43
  6. Step 6: Final answer
    x = 83,260.19

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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.