Home / 200,389.92-276,538.51-108,510.21

Finding the Fourth Proportional to 200,389.92, 276,538.51 and 108,510.21

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Solution

The fourth proportional to 200,389.92, 276,538.51 and 108,510.21 is: 149,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,389.92 : 276,538.51 = 108,510.21 : x
  2. Step 2: Convert to fraction form
    200,389.92/276,538.51 = 108,510.21/x
  3. Step 3: Cross multiply
    200,389.92x = 276,538.51 × 108,510.21
  4. Step 4: Simplify right side
    200,389.92x = 30,007,251,793.19
  5. Step 5: Solve for x
    x = 30,007,251,793.19/200,389.92
  6. Step 6: Final answer
    x = 149,744.32

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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.