Home / 198,180.68-273,716.46-130,500.18

Finding the Fourth Proportional to 198,180.68, 273,716.46 and 130,500.18

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Solution

The fourth proportional to 198,180.68, 273,716.46 and 130,500.18 is: 180,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,180.68 : 273,716.46 = 130,500.18 : x
  2. Step 2: Convert to fraction form
    198,180.68/273,716.46 = 130,500.18/x
  3. Step 3: Cross multiply
    198,180.68x = 273,716.46 × 130,500.18
  4. Step 4: Simplify right side
    198,180.68x = 35,720,047,298.96
  5. Step 5: Solve for x
    x = 35,720,047,298.96/198,180.68
  6. Step 6: Final answer
    x = 180,239.81

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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.