Home / 231,961.20-320,132.94-130,014.14

Finding the Fourth Proportional to 231,961.20, 320,132.94 and 130,014.14

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Solution

The fourth proportional to 231,961.20, 320,132.94 and 130,014.14 is: 179,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,961.20 : 320,132.94 = 130,014.14 : x
  2. Step 2: Convert to fraction form
    231,961.20/320,132.94 = 130,014.14/x
  3. Step 3: Cross multiply
    231,961.20x = 320,132.94 × 130,014.14
  4. Step 4: Simplify right side
    231,961.20x = 41,621,808,879.77
  5. Step 5: Solve for x
    x = 41,621,808,879.77/231,961.20
  6. Step 6: Final answer
    x = 179,434.36

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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.