Home / 231,962.93-320,108.62-129,989.19

Finding the Fourth Proportional to 231,962.93, 320,108.62 and 129,989.19

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Solution

The fourth proportional to 231,962.93, 320,108.62 and 129,989.19 is: 179,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,962.93 : 320,108.62 = 129,989.19 : x
  2. Step 2: Convert to fraction form
    231,962.93/320,108.62 = 129,989.19/x
  3. Step 3: Cross multiply
    231,962.93x = 320,108.62 × 129,989.19
  4. Step 4: Simplify right side
    231,962.93x = 41,610,660,225.82
  5. Step 5: Solve for x
    x = 41,610,660,225.82/231,962.93
  6. Step 6: Final answer
    x = 179,384.96

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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.