Home / 131,571.41-181,568.67-71,142.04

Finding the Fourth Proportional to 131,571.41, 181,568.67 and 71,142.04

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Solution

The fourth proportional to 131,571.41, 181,568.67 and 71,142.04 is: 98,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,571.41 : 181,568.67 = 71,142.04 : x
  2. Step 2: Convert to fraction form
    131,571.41/181,568.67 = 71,142.04/x
  3. Step 3: Cross multiply
    131,571.41x = 181,568.67 × 71,142.04
  4. Step 4: Simplify right side
    131,571.41x = 12,917,164,676.04
  5. Step 5: Solve for x
    x = 12,917,164,676.04/131,571.41
  6. Step 6: Final answer
    x = 98,176.08

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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.