Home / 131,950.10-197,974.92-79,396.46

Finding the Fourth Proportional to 131,950.10, 197,974.92 and 79,396.46

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Solution

The fourth proportional to 131,950.10, 197,974.92 and 79,396.46 is: 119,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,950.10 : 197,974.92 = 79,396.46 : x
  2. Step 2: Convert to fraction form
    131,950.10/197,974.92 = 79,396.46/x
  3. Step 3: Cross multiply
    131,950.10x = 197,974.92 × 79,396.46
  4. Step 4: Simplify right side
    131,950.10x = 15,718,507,816.78
  5. Step 5: Solve for x
    x = 15,718,507,816.78/131,950.10
  6. Step 6: Final answer
    x = 119,124.64

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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.