Home / 199,115.05-298,625.41-56,955.95

Finding the Fourth Proportional to 199,115.05, 298,625.41 and 56,955.95

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Solution

The fourth proportional to 199,115.05, 298,625.41 and 56,955.95 is: 85,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,115.05 : 298,625.41 = 56,955.95 : x
  2. Step 2: Convert to fraction form
    199,115.05/298,625.41 = 56,955.95/x
  3. Step 3: Cross multiply
    199,115.05x = 298,625.41 × 56,955.95
  4. Step 4: Simplify right side
    199,115.05x = 17,008,493,920.69
  5. Step 5: Solve for x
    x = 17,008,493,920.69/199,115.05
  6. Step 6: Final answer
    x = 85,420.43

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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.