Home / 197,861.32-273,053.70-121,422.64

Finding the Fourth Proportional to 197,861.32, 273,053.70 and 121,422.64

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Solution

The fourth proportional to 197,861.32, 273,053.70 and 121,422.64 is: 167,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,861.32 : 273,053.70 = 121,422.64 : x
  2. Step 2: Convert to fraction form
    197,861.32/273,053.70 = 121,422.64/x
  3. Step 3: Cross multiply
    197,861.32x = 273,053.70 × 121,422.64
  4. Step 4: Simplify right side
    197,861.32x = 33,154,901,115.77
  5. Step 5: Solve for x
    x = 33,154,901,115.77/197,861.32
  6. Step 6: Final answer
    x = 167,566.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.