Home / 140,699.30-210,972.39-50,729.76

Finding the Fourth Proportional to 140,699.30, 210,972.39 and 50,729.76

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Solution

The fourth proportional to 140,699.30, 210,972.39 and 50,729.76 is: 76,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,699.30 : 210,972.39 = 50,729.76 : x
  2. Step 2: Convert to fraction form
    140,699.30/210,972.39 = 50,729.76/x
  3. Step 3: Cross multiply
    140,699.30x = 210,972.39 × 50,729.76
  4. Step 4: Simplify right side
    140,699.30x = 10,702,578,711.33
  5. Step 5: Solve for x
    x = 10,702,578,711.33/140,699.30
  6. Step 6: Final answer
    x = 76,067.04

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1.5x scale

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.