Home / 126,904.14-175,146.36-73,178.66

Finding the Fourth Proportional to 126,904.14, 175,146.36 and 73,178.66

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Solution

The fourth proportional to 126,904.14, 175,146.36 and 73,178.66 is: 100,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904.14 : 175,146.36 = 73,178.66 : x
  2. Step 2: Convert to fraction form
    126,904.14/175,146.36 = 73,178.66/x
  3. Step 3: Cross multiply
    126,904.14x = 175,146.36 × 73,178.66
  4. Step 4: Simplify right side
    126,904.14x = 12,816,975,928.68
  5. Step 5: Solve for x
    x = 12,816,975,928.68/126,904.14
  6. Step 6: Final answer
    x = 100,997.30

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1.5x scale

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.