Home / 140,073.87-193,311.07-79,650.14

Finding the Fourth Proportional to 140,073.87, 193,311.07 and 79,650.14

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Solution

The fourth proportional to 140,073.87, 193,311.07 and 79,650.14 is: 109,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,073.87 : 193,311.07 = 79,650.14 : x
  2. Step 2: Convert to fraction form
    140,073.87/193,311.07 = 79,650.14/x
  3. Step 3: Cross multiply
    140,073.87x = 193,311.07 × 79,650.14
  4. Step 4: Simplify right side
    140,073.87x = 15,397,253,071.40
  5. Step 5: Solve for x
    x = 15,397,253,071.40/140,073.87
  6. Step 6: Final answer
    x = 109,922.38

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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.