Home / 200,720.43-276,974.24-115,864.83

Finding the Fourth Proportional to 200,720.43, 276,974.24 and 115,864.83

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Solution

The fourth proportional to 200,720.43, 276,974.24 and 115,864.83 is: 159,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,720.43 : 276,974.24 = 115,864.83 : x
  2. Step 2: Convert to fraction form
    200,720.43/276,974.24 = 115,864.83/x
  3. Step 3: Cross multiply
    200,720.43x = 276,974.24 × 115,864.83
  4. Step 4: Simplify right side
    200,720.43x = 32,091,572,652.66
  5. Step 5: Solve for x
    x = 32,091,572,652.66/200,720.43
  6. Step 6: Final answer
    x = 159,881.94

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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.