Home / 200,147.62-276,108.28-123,639.17

Finding the Fourth Proportional to 200,147.62, 276,108.28 and 123,639.17

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Solution

The fourth proportional to 200,147.62, 276,108.28 and 123,639.17 is: 170,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,147.62 : 276,108.28 = 123,639.17 : x
  2. Step 2: Convert to fraction form
    200,147.62/276,108.28 = 123,639.17/x
  3. Step 3: Cross multiply
    200,147.62x = 276,108.28 × 123,639.17
  4. Step 4: Simplify right side
    200,147.62x = 34,137,798,569.33
  5. Step 5: Solve for x
    x = 34,137,798,569.33/200,147.62
  6. Step 6: Final answer
    x = 170,563.10

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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.