Home / 200,320.30-276,431.51-109,658.90

Finding the Fourth Proportional to 200,320.30, 276,431.51 and 109,658.90

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Solution

The fourth proportional to 200,320.30, 276,431.51 and 109,658.90 is: 151,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,320.30 : 276,431.51 = 109,658.90 : x
  2. Step 2: Convert to fraction form
    200,320.30/276,431.51 = 109,658.90/x
  3. Step 3: Cross multiply
    200,320.30x = 276,431.51 × 109,658.90
  4. Step 4: Simplify right side
    200,320.30x = 30,313,176,277.17
  5. Step 5: Solve for x
    x = 30,313,176,277.17/200,320.30
  6. Step 6: Final answer
    x = 151,323.54

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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.