Home / 139,687.32-192,768.66-76,025.04

Finding the Fourth Proportional to 139,687.32, 192,768.66 and 76,025.04

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Solution

The fourth proportional to 139,687.32, 192,768.66 and 76,025.04 is: 104,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,687.32 : 192,768.66 = 76,025.04 : x
  2. Step 2: Convert to fraction form
    139,687.32/192,768.66 = 76,025.04/x
  3. Step 3: Cross multiply
    139,687.32x = 192,768.66 × 76,025.04
  4. Step 4: Simplify right side
    139,687.32x = 14,655,245,087.25
  5. Step 5: Solve for x
    x = 14,655,245,087.25/139,687.32
  6. Step 6: Final answer
    x = 104,914.64

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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.