Home / 126,976.21-175,228.73-73,272.40

Finding the Fourth Proportional to 126,976.21, 175,228.73 and 73,272.40

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Solution

The fourth proportional to 126,976.21, 175,228.73 and 73,272.40 is: 101,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,976.21 : 175,228.73 = 73,272.40 : x
  2. Step 2: Convert to fraction form
    126,976.21/175,228.73 = 73,272.40/x
  3. Step 3: Cross multiply
    126,976.21x = 175,228.73 × 73,272.40
  4. Step 4: Simplify right side
    126,976.21x = 12,839,429,596.05
  5. Step 5: Solve for x
    x = 12,839,429,596.05/126,976.21
  6. Step 6: Final answer
    x = 101,116.81

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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.