Home / 163,040.20-244,548.15-68,245.90

Finding the Fourth Proportional to 163,040.20, 244,548.15 and 68,245.90

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Solution

The fourth proportional to 163,040.20, 244,548.15 and 68,245.90 is: 102,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,040.20 : 244,548.15 = 68,245.90 : x
  2. Step 2: Convert to fraction form
    163,040.20/244,548.15 = 68,245.90/x
  3. Step 3: Cross multiply
    163,040.20x = 244,548.15 × 68,245.90
  4. Step 4: Simplify right side
    163,040.20x = 16,689,408,590.09
  5. Step 5: Solve for x
    x = 16,689,408,590.09/163,040.20
  6. Step 6: Final answer
    x = 102,363.76

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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.