Home / 231,983.01-320,159.03-130,025.79

Finding the Fourth Proportional to 231,983.01, 320,159.03 and 130,025.79

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Solution

The fourth proportional to 231,983.01, 320,159.03 and 130,025.79 is: 179,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,983.01 : 320,159.03 = 130,025.79 : x
  2. Step 2: Convert to fraction form
    231,983.01/320,159.03 = 130,025.79/x
  3. Step 3: Cross multiply
    231,983.01x = 320,159.03 × 130,025.79
  4. Step 4: Simplify right side
    231,983.01x = 41,628,930,151.25
  5. Step 5: Solve for x
    x = 41,628,930,151.25/231,983.01
  6. Step 6: Final answer
    x = 179,448.19

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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.