Home / 131,792.67-181,826.79-80,786.97

Finding the Fourth Proportional to 131,792.67, 181,826.79 and 80,786.97

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Solution

The fourth proportional to 131,792.67, 181,826.79 and 80,786.97 is: 111,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,792.67 : 181,826.79 = 80,786.97 : x
  2. Step 2: Convert to fraction form
    131,792.67/181,826.79 = 80,786.97/x
  3. Step 3: Cross multiply
    131,792.67x = 181,826.79 × 80,786.97
  4. Step 4: Simplify right side
    131,792.67x = 14,689,235,428.93
  5. Step 5: Solve for x
    x = 14,689,235,428.93/131,792.67
  6. Step 6: Final answer
    x = 111,457.15

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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.