Home / 198,434.04-273,910.86-131,387.64

Finding the Fourth Proportional to 198,434.04, 273,910.86 and 131,387.64

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Solution

The fourth proportional to 198,434.04, 273,910.86 and 131,387.64 is: 181,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,434.04 : 273,910.86 = 131,387.64 : x
  2. Step 2: Convert to fraction form
    198,434.04/273,910.86 = 131,387.64/x
  3. Step 3: Cross multiply
    198,434.04x = 273,910.86 × 131,387.64
  4. Step 4: Simplify right side
    198,434.04x = 35,988,501,465.77
  5. Step 5: Solve for x
    x = 35,988,501,465.77/198,434.04
  6. Step 6: Final answer
    x = 181,362.54

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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.