Home / 200,389.10-276,537.35-108,509.38

Finding the Fourth Proportional to 200,389.10, 276,537.35 and 108,509.38

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Solution

The fourth proportional to 200,389.10, 276,537.35 and 108,509.38 is: 149,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,389.10 : 276,537.35 = 108,509.38 : x
  2. Step 2: Convert to fraction form
    200,389.10/276,537.35 = 108,509.38/x
  3. Step 3: Cross multiply
    200,389.10x = 276,537.35 × 108,509.38
  4. Step 4: Simplify right side
    200,389.10x = 30,006,895,975.27
  5. Step 5: Solve for x
    x = 30,006,895,975.27/200,389.10
  6. Step 6: Final answer
    x = 149,743.16

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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.