Home / 202,003.10-303,004.65-89,639.90

Finding the Fourth Proportional to 202,003.10, 303,004.65 and 89,639.90

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Solution

The fourth proportional to 202,003.10, 303,004.65 and 89,639.90 is: 134,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,003.10 : 303,004.65 = 89,639.90 : x
  2. Step 2: Convert to fraction form
    202,003.10/303,004.65 = 89,639.90/x
  3. Step 3: Cross multiply
    202,003.10x = 303,004.65 × 89,639.90
  4. Step 4: Simplify right side
    202,003.10x = 27,161,306,525.54
  5. Step 5: Solve for x
    x = 27,161,306,525.54/202,003.10
  6. Step 6: Final answer
    x = 134,459.85

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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.