Home / 200,220.33-276,303.83-113,023.78

Finding the Fourth Proportional to 200,220.33, 276,303.83 and 113,023.78

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Solution

The fourth proportional to 200,220.33, 276,303.83 and 113,023.78 is: 155,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,220.33 : 276,303.83 = 113,023.78 : x
  2. Step 2: Convert to fraction form
    200,220.33/276,303.83 = 113,023.78/x
  3. Step 3: Cross multiply
    200,220.33x = 276,303.83 × 113,023.78
  4. Step 4: Simplify right side
    200,220.33x = 31,228,903,295.08
  5. Step 5: Solve for x
    x = 31,228,903,295.08/200,220.33
  6. Step 6: Final answer
    x = 155,972.69

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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.