Home / 140,919.75-194,571.32-90,706.23

Finding the Fourth Proportional to 140,919.75, 194,571.32 and 90,706.23

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Solution

The fourth proportional to 140,919.75, 194,571.32 and 90,706.23 is: 125,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,919.75 : 194,571.32 = 90,706.23 : x
  2. Step 2: Convert to fraction form
    140,919.75/194,571.32 = 90,706.23/x
  3. Step 3: Cross multiply
    140,919.75x = 194,571.32 × 90,706.23
  4. Step 4: Simplify right side
    140,919.75x = 17,648,830,449.79
  5. Step 5: Solve for x
    x = 17,648,830,449.79/140,919.75
  6. Step 6: Final answer
    x = 125,240.29

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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.