Home / 198,210.70-273,349.92-130,200.40

Finding the Fourth Proportional to 198,210.70, 273,349.92 and 130,200.40

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Solution

The fourth proportional to 198,210.70, 273,349.92 and 130,200.40 is: 179,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,210.70 : 273,349.92 = 130,200.40 : x
  2. Step 2: Convert to fraction form
    198,210.70/273,349.92 = 130,200.40/x
  3. Step 3: Cross multiply
    198,210.70x = 273,349.92 × 130,200.40
  4. Step 4: Simplify right side
    198,210.70x = 35,590,268,923.97
  5. Step 5: Solve for x
    x = 35,590,268,923.97/198,210.70
  6. Step 6: Final answer
    x = 179,557.76

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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.