Home / 198,031.86-272,821.92-162,011.94

Finding the Fourth Proportional to 198,031.86, 272,821.92 and 162,011.94

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Solution

The fourth proportional to 198,031.86, 272,821.92 and 162,011.94 is: 223,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,031.86 : 272,821.92 = 162,011.94 : x
  2. Step 2: Convert to fraction form
    198,031.86/272,821.92 = 162,011.94/x
  3. Step 3: Cross multiply
    198,031.86x = 272,821.92 × 162,011.94
  4. Step 4: Simplify right side
    198,031.86x = 44,200,408,533.72
  5. Step 5: Solve for x
    x = 44,200,408,533.72/198,031.86
  6. Step 6: Final answer
    x = 223,198.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.