Home / 202,288.10-303,140.55-89,876.30

Finding the Fourth Proportional to 202,288.10, 303,140.55 and 89,876.30

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Solution

The fourth proportional to 202,288.10, 303,140.55 and 89,876.30 is: 134,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,288.10 : 303,140.55 = 89,876.30 : x
  2. Step 2: Convert to fraction form
    202,288.10/303,140.55 = 89,876.30/x
  3. Step 3: Cross multiply
    202,288.10x = 303,140.55 × 89,876.30
  4. Step 4: Simplify right side
    202,288.10x = 27,245,151,013.97
  5. Step 5: Solve for x
    x = 27,245,151,013.97/202,288.10
  6. Step 6: Final answer
    x = 134,684.89

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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.