Home / 231,983.40-320,159.34-130,008.36

Finding the Fourth Proportional to 231,983.40, 320,159.34 and 130,008.36

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Solution

The fourth proportional to 231,983.40, 320,159.34 and 130,008.36 is: 179,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,983.40 : 320,159.34 = 130,008.36 : x
  2. Step 2: Convert to fraction form
    231,983.40/320,159.34 = 130,008.36/x
  3. Step 3: Cross multiply
    231,983.40x = 320,159.34 × 130,008.36
  4. Step 4: Simplify right side
    231,983.40x = 41,623,390,732.08
  5. Step 5: Solve for x
    x = 41,623,390,732.08/231,983.40
  6. Step 6: Final answer
    x = 179,424.01

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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.