Home / 140,933.82-194,487.19-77,271.46

Finding the Fourth Proportional to 140,933.82, 194,487.19 and 77,271.46

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Solution

The fourth proportional to 140,933.82, 194,487.19 and 77,271.46 is: 106,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,933.82 : 194,487.19 = 77,271.46 : x
  2. Step 2: Convert to fraction form
    140,933.82/194,487.19 = 77,271.46/x
  3. Step 3: Cross multiply
    140,933.82x = 194,487.19 × 77,271.46
  4. Step 4: Simplify right side
    140,933.82x = 15,028,309,122.60
  5. Step 5: Solve for x
    x = 15,028,309,122.60/140,933.82
  6. Step 6: Final answer
    x = 106,633.80

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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.