Home / 200,218.20-276,300.91-113,021.65

Finding the Fourth Proportional to 200,218.20, 276,300.91 and 113,021.65

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Solution

The fourth proportional to 200,218.20, 276,300.91 and 113,021.65 is: 155,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,218.20 : 276,300.91 = 113,021.65 : x
  2. Step 2: Convert to fraction form
    200,218.20/276,300.91 = 113,021.65/x
  3. Step 3: Cross multiply
    200,218.20x = 276,300.91 × 113,021.65
  4. Step 4: Simplify right side
    200,218.20x = 31,227,984,595.61
  5. Step 5: Solve for x
    x = 31,227,984,595.61/200,218.20
  6. Step 6: Final answer
    x = 155,969.76

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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.