Home / 126,218.10-189,286.07-41,955.68

Finding the Fourth Proportional to 126,218.10, 189,286.07 and 41,955.68

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Solution

The fourth proportional to 126,218.10, 189,286.07 and 41,955.68 is: 62,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.10 : 189,286.07 = 41,955.68 : x
  2. Step 2: Convert to fraction form
    126,218.10/189,286.07 = 41,955.68/x
  3. Step 3: Cross multiply
    126,218.10x = 189,286.07 × 41,955.68
  4. Step 4: Simplify right side
    126,218.10x = 7,941,624,625.17
  5. Step 5: Solve for x
    x = 7,941,624,625.17/126,218.10
  6. Step 6: Final answer
    x = 62,919.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.