Home / 165,237.20-228,028.78-89,785.70

Finding the Fourth Proportional to 165,237.20, 228,028.78 and 89,785.70

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Solution

The fourth proportional to 165,237.20, 228,028.78 and 89,785.70 is: 123,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,237.20 : 228,028.78 = 89,785.70 : x
  2. Step 2: Convert to fraction form
    165,237.20/228,028.78 = 89,785.70/x
  3. Step 3: Cross multiply
    165,237.20x = 228,028.78 × 89,785.70
  4. Step 4: Simplify right side
    165,237.20x = 20,473,723,632.45
  5. Step 5: Solve for x
    x = 20,473,723,632.45/165,237.20
  6. Step 6: Final answer
    x = 123,905.05

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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.