Home / 207,717.31-286,560.03-131,183.23

Finding the Fourth Proportional to 207,717.31, 286,560.03 and 131,183.23

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Solution

The fourth proportional to 207,717.31, 286,560.03 and 131,183.23 is: 180,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,717.31 : 286,560.03 = 131,183.23 : x
  2. Step 2: Convert to fraction form
    207,717.31/286,560.03 = 131,183.23/x
  3. Step 3: Cross multiply
    207,717.31x = 286,560.03 × 131,183.23
  4. Step 4: Simplify right side
    207,717.31x = 37,591,870,324.30
  5. Step 5: Solve for x
    x = 37,591,870,324.30/207,717.31
  6. Step 6: Final answer
    x = 180,976.11

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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.