Home / 140,699.24-210,972.30-50,729.70

Finding the Fourth Proportional to 140,699.24, 210,972.30 and 50,729.70

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Solution

The fourth proportional to 140,699.24, 210,972.30 and 50,729.70 is: 76,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,699.24 : 210,972.30 = 50,729.70 : x
  2. Step 2: Convert to fraction form
    140,699.24/210,972.30 = 50,729.70/x
  3. Step 3: Cross multiply
    140,699.24x = 210,972.30 × 50,729.70
  4. Step 4: Simplify right side
    140,699.24x = 10,702,561,487.31
  5. Step 5: Solve for x
    x = 10,702,561,487.31/140,699.24
  6. Step 6: Final answer
    x = 76,066.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.