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Finding the Fourth Proportional to 160,028.54, 239,874.30 and 53,383.94

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Solution

The fourth proportional to 160,028.54, 239,874.30 and 53,383.94 is: 80,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,028.54 : 239,874.30 = 53,383.94 : x
  2. Step 2: Convert to fraction form
    160,028.54/239,874.30 = 53,383.94/x
  3. Step 3: Cross multiply
    160,028.54x = 239,874.30 × 53,383.94
  4. Step 4: Simplify right side
    160,028.54x = 12,805,435,238.74
  5. Step 5: Solve for x
    x = 12,805,435,238.74/160,028.54
  6. Step 6: Final answer
    x = 80,019.70

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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.