Home / 140,249.40-193,562.46-79,808.28

Finding the Fourth Proportional to 140,249.40, 193,562.46 and 79,808.28

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Solution

The fourth proportional to 140,249.40, 193,562.46 and 79,808.28 is: 110,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,249.40 : 193,562.46 = 79,808.28 : x
  2. Step 2: Convert to fraction form
    140,249.40/193,562.46 = 79,808.28/x
  3. Step 3: Cross multiply
    140,249.40x = 193,562.46 × 79,808.28
  4. Step 4: Simplify right side
    140,249.40x = 15,447,887,005.17
  5. Step 5: Solve for x
    x = 15,447,887,005.17/140,249.40
  6. Step 6: Final answer
    x = 110,145.83

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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.