Home / 216,112.23-298,251.81-120,633.30

Finding the Fourth Proportional to 216,112.23, 298,251.81 and 120,633.30

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Solution

The fourth proportional to 216,112.23, 298,251.81 and 120,633.30 is: 166,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,112.23 : 298,251.81 = 120,633.30 : x
  2. Step 2: Convert to fraction form
    216,112.23/298,251.81 = 120,633.30/x
  3. Step 3: Cross multiply
    216,112.23x = 298,251.81 × 120,633.30
  4. Step 4: Simplify right side
    216,112.23x = 35,979,100,071.27
  5. Step 5: Solve for x
    x = 35,979,100,071.27/216,112.23
  6. Step 6: Final answer
    x = 166,483.41

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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.