Home / 141,648.88-195,471.92-80,406.51

Finding the Fourth Proportional to 141,648.88, 195,471.92 and 80,406.51

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Solution

The fourth proportional to 141,648.88, 195,471.92 and 80,406.51 is: 110,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,648.88 : 195,471.92 = 80,406.51 : x
  2. Step 2: Convert to fraction form
    141,648.88/195,471.92 = 80,406.51/x
  3. Step 3: Cross multiply
    141,648.88x = 195,471.92 × 80,406.51
  4. Step 4: Simplify right side
    141,648.88x = 15,717,213,510.81
  5. Step 5: Solve for x
    x = 15,717,213,510.81/141,648.88
  6. Step 6: Final answer
    x = 110,958.97

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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.