Home / 172,533.56-258,997.26-115,649.78

Finding the Fourth Proportional to 172,533.56, 258,997.26 and 115,649.78

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Solution

The fourth proportional to 172,533.56, 258,997.26 and 115,649.78 is: 173,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,533.56 : 258,997.26 = 115,649.78 : x
  2. Step 2: Convert to fraction form
    172,533.56/258,997.26 = 115,649.78/x
  3. Step 3: Cross multiply
    172,533.56x = 258,997.26 × 115,649.78
  4. Step 4: Simplify right side
    172,533.56x = 29,952,976,139.60
  5. Step 5: Solve for x
    x = 29,952,976,139.60/172,533.56
  6. Step 6: Final answer
    x = 173,606.67

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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.