Home / 256,537.21-354,021.83-143,359.96

Finding the Fourth Proportional to 256,537.21, 354,021.83 and 143,359.96

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Solution

The fourth proportional to 256,537.21, 354,021.83 and 143,359.96 is: 197,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,537.21 : 354,021.83 = 143,359.96 : x
  2. Step 2: Convert to fraction form
    256,537.21/354,021.83 = 143,359.96/x
  3. Step 3: Cross multiply
    256,537.21x = 354,021.83 × 143,359.96
  4. Step 4: Simplify right side
    256,537.21x = 50,752,555,387.93
  5. Step 5: Solve for x
    x = 50,752,555,387.93/256,537.21
  6. Step 6: Final answer
    x = 197,837.01

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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.