Home / 202,009.23-303,022.35-89,691.03

Finding the Fourth Proportional to 202,009.23, 303,022.35 and 89,691.03

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Solution

The fourth proportional to 202,009.23, 303,022.35 and 89,691.03 is: 134,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,009.23 : 303,022.35 = 89,691.03 : x
  2. Step 2: Convert to fraction form
    202,009.23/303,022.35 = 89,691.03/x
  3. Step 3: Cross multiply
    202,009.23x = 303,022.35 × 89,691.03
  4. Step 4: Simplify right side
    202,009.23x = 27,178,386,684.52
  5. Step 5: Solve for x
    x = 27,178,386,684.52/202,009.23
  6. Step 6: Final answer
    x = 134,540.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.