Home / 203,428.27-305,107.57-53,670.10

Finding the Fourth Proportional to 203,428.27, 305,107.57 and 53,670.10

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Solution

The fourth proportional to 203,428.27, 305,107.57 and 53,670.10 is: 80,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,428.27 : 305,107.57 = 53,670.10 : x
  2. Step 2: Convert to fraction form
    203,428.27/305,107.57 = 53,670.10/x
  3. Step 3: Cross multiply
    203,428.27x = 305,107.57 × 53,670.10
  4. Step 4: Simplify right side
    203,428.27x = 16,375,153,792.66
  5. Step 5: Solve for x
    x = 16,375,153,792.66/203,428.27
  6. Step 6: Final answer
    x = 80,495.96

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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.