Home / 126,904.32-175,134.96-73,206.18

Finding the Fourth Proportional to 126,904.32, 175,134.96 and 73,206.18

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Solution

The fourth proportional to 126,904.32, 175,134.96 and 73,206.18 is: 101,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904.32 : 175,134.96 = 73,206.18 : x
  2. Step 2: Convert to fraction form
    126,904.32/175,134.96 = 73,206.18/x
  3. Step 3: Cross multiply
    126,904.32x = 175,134.96 × 73,206.18
  4. Step 4: Simplify right side
    126,904.32x = 12,820,961,406.05
  5. Step 5: Solve for x
    x = 12,820,961,406.05/126,904.32
  6. Step 6: Final answer
    x = 101,028.57

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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.