Home / 126,834.28-175,029.54-73,119.40

Finding the Fourth Proportional to 126,834.28, 175,029.54 and 73,119.40

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Solution

The fourth proportional to 126,834.28, 175,029.54 and 73,119.40 is: 100,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,834.28 : 175,029.54 = 73,119.40 : x
  2. Step 2: Convert to fraction form
    126,834.28/175,029.54 = 73,119.40/x
  3. Step 3: Cross multiply
    126,834.28x = 175,029.54 × 73,119.40
  4. Step 4: Simplify right side
    126,834.28x = 12,798,054,947.08
  5. Step 5: Solve for x
    x = 12,798,054,947.08/126,834.28
  6. Step 6: Final answer
    x = 100,903.75

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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.