Home / 245,429.54-368,183.19-79,178.66

Finding the Fourth Proportional to 245,429.54, 368,183.19 and 79,178.66

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Solution

The fourth proportional to 245,429.54, 368,183.19 and 79,178.66 is: 118,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,429.54 : 368,183.19 = 79,178.66 : x
  2. Step 2: Convert to fraction form
    245,429.54/368,183.19 = 79,178.66/x
  3. Step 3: Cross multiply
    245,429.54x = 368,183.19 × 79,178.66
  4. Step 4: Simplify right side
    245,429.54x = 29,152,251,618.73
  5. Step 5: Solve for x
    x = 29,152,251,618.73/245,429.54
  6. Step 6: Final answer
    x = 118,780.53

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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.