Home / 200,255.09-300,335.18-73,826.64

Finding the Fourth Proportional to 200,255.09, 300,335.18 and 73,826.64

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Solution

The fourth proportional to 200,255.09, 300,335.18 and 73,826.64 is: 110,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,255.09 : 300,335.18 = 73,826.64 : x
  2. Step 2: Convert to fraction form
    200,255.09/300,335.18 = 73,826.64/x
  3. Step 3: Cross multiply
    200,255.09x = 300,335.18 × 73,826.64
  4. Step 4: Simplify right side
    200,255.09x = 22,172,736,844.06
  5. Step 5: Solve for x
    x = 22,172,736,844.06/200,255.09
  6. Step 6: Final answer
    x = 110,722.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.