Home / 126,759.68-174,928.07-75,769.94

Finding the Fourth Proportional to 126,759.68, 174,928.07 and 75,769.94

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Solution

The fourth proportional to 126,759.68, 174,928.07 and 75,769.94 is: 104,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,759.68 : 174,928.07 = 75,769.94 : x
  2. Step 2: Convert to fraction form
    126,759.68/174,928.07 = 75,769.94/x
  3. Step 3: Cross multiply
    126,759.68x = 174,928.07 × 75,769.94
  4. Step 4: Simplify right side
    126,759.68x = 13,254,289,426.69
  5. Step 5: Solve for x
    x = 13,254,289,426.69/126,759.68
  6. Step 6: Final answer
    x = 104,562.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.