Home / 231,983.51-320,159.72-130,026.29

Finding the Fourth Proportional to 231,983.51, 320,159.72 and 130,026.29

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Solution

The fourth proportional to 231,983.51, 320,159.72 and 130,026.29 is: 179,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,983.51 : 320,159.72 = 130,026.29 : x
  2. Step 2: Convert to fraction form
    231,983.51/320,159.72 = 130,026.29/x
  3. Step 3: Cross multiply
    231,983.51x = 320,159.72 × 130,026.29
  4. Step 4: Simplify right side
    231,983.51x = 41,629,179,948.91
  5. Step 5: Solve for x
    x = 41,629,179,948.91/231,983.51
  6. Step 6: Final answer
    x = 179,448.88

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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.