Home / 140,195.40-193,467.12-79,764.72

Finding the Fourth Proportional to 140,195.40, 193,467.12 and 79,764.72

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Solution

The fourth proportional to 140,195.40, 193,467.12 and 79,764.72 is: 110,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,195.40 : 193,467.12 = 79,764.72 : x
  2. Step 2: Convert to fraction form
    140,195.40/193,467.12 = 79,764.72/x
  3. Step 3: Cross multiply
    140,195.40x = 193,467.12 × 79,764.72
  4. Step 4: Simplify right side
    140,195.40x = 15,431,850,656.01
  5. Step 5: Solve for x
    x = 15,431,850,656.01/140,195.40
  6. Step 6: Final answer
    x = 110,073.87

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1.5x scale

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.