Home / 140,822.55-194,335.20-77,160.33

Finding the Fourth Proportional to 140,822.55, 194,335.20 and 77,160.33

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Solution

The fourth proportional to 140,822.55, 194,335.20 and 77,160.33 is: 106,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,822.55 : 194,335.20 = 77,160.33 : x
  2. Step 2: Convert to fraction form
    140,822.55/194,335.20 = 77,160.33/x
  3. Step 3: Cross multiply
    140,822.55x = 194,335.20 × 77,160.33
  4. Step 4: Simplify right side
    140,822.55x = 14,994,968,162.62
  5. Step 5: Solve for x
    x = 14,994,968,162.62/140,822.55
  6. Step 6: Final answer
    x = 106,481.30

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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.