Home / 141,749.94-195,601.46-81,325.56

Finding the Fourth Proportional to 141,749.94, 195,601.46 and 81,325.56

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Solution

The fourth proportional to 141,749.94, 195,601.46 and 81,325.56 is: 112,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,749.94 : 195,601.46 = 81,325.56 : x
  2. Step 2: Convert to fraction form
    141,749.94/195,601.46 = 81,325.56/x
  3. Step 3: Cross multiply
    141,749.94x = 195,601.46 × 81,325.56
  4. Step 4: Simplify right side
    141,749.94x = 15,907,397,864.69
  5. Step 5: Solve for x
    x = 15,907,397,864.69/141,749.94
  6. Step 6: Final answer
    x = 112,221.55

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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.