Home / 139,794.06-192,914.46-76,132.92

Finding the Fourth Proportional to 139,794.06, 192,914.46 and 76,132.92

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Solution

The fourth proportional to 139,794.06, 192,914.46 and 76,132.92 is: 105,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,794.06 : 192,914.46 = 76,132.92 : x
  2. Step 2: Convert to fraction form
    139,794.06/192,914.46 = 76,132.92/x
  3. Step 3: Cross multiply
    139,794.06x = 192,914.46 × 76,132.92
  4. Step 4: Simplify right side
    139,794.06x = 14,687,141,150.02
  5. Step 5: Solve for x
    x = 14,687,141,150.02/139,794.06
  6. Step 6: Final answer
    x = 105,062.70

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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.