Home / 51,196.78-76,795.16-16,139.18

Finding the Fourth Proportional to 51,196.78, 76,795.16 and 16,139.18

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Solution

The fourth proportional to 51,196.78, 76,795.16 and 16,139.18 is: 24,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.78 : 76,795.16 = 16,139.18 : x
  2. Step 2: Convert to fraction form
    51,196.78/76,795.16 = 16,139.18/x
  3. Step 3: Cross multiply
    51,196.78x = 76,795.16 × 16,139.18
  4. Step 4: Simplify right side
    51,196.78x = 1,239,410,910.37
  5. Step 5: Solve for x
    x = 1,239,410,910.37/51,196.78
  6. Step 6: Final answer
    x = 24,208.77

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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.