Home / 197,990.31-273,210.29-111,958.08

Finding the Fourth Proportional to 197,990.31, 273,210.29 and 111,958.08

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Solution

The fourth proportional to 197,990.31, 273,210.29 and 111,958.08 is: 154,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,990.31 : 273,210.29 = 111,958.08 : x
  2. Step 2: Convert to fraction form
    197,990.31/273,210.29 = 111,958.08/x
  3. Step 3: Cross multiply
    197,990.31x = 273,210.29 × 111,958.08
  4. Step 4: Simplify right side
    197,990.31x = 30,588,100,480.00
  5. Step 5: Solve for x
    x = 30,588,100,480.00/197,990.31
  6. Step 6: Final answer
    x = 154,492.92

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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.