Home / 202,402.86-303,789.51-102,631.92

Finding the Fourth Proportional to 202,402.86, 303,789.51 and 102,631.92

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Solution

The fourth proportional to 202,402.86, 303,789.51 and 102,631.92 is: 154,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,402.86 : 303,789.51 = 102,631.92 : x
  2. Step 2: Convert to fraction form
    202,402.86/303,789.51 = 102,631.92/x
  3. Step 3: Cross multiply
    202,402.86x = 303,789.51 × 102,631.92
  4. Step 4: Simplify right side
    202,402.86x = 31,178,500,687.16
  5. Step 5: Solve for x
    x = 31,178,500,687.16/202,402.86
  6. Step 6: Final answer
    x = 154,041.80

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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.