Home / 131,698.20-197,578.76-42,951.84

Finding the Fourth Proportional to 131,698.20, 197,578.76 and 42,951.84

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Solution

The fourth proportional to 131,698.20, 197,578.76 and 42,951.84 is: 64,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,698.20 : 197,578.76 = 42,951.84 : x
  2. Step 2: Convert to fraction form
    131,698.20/197,578.76 = 42,951.84/x
  3. Step 3: Cross multiply
    131,698.20x = 197,578.76 × 42,951.84
  4. Step 4: Simplify right side
    131,698.20x = 8,486,371,072.16
  5. Step 5: Solve for x
    x = 8,486,371,072.16/131,698.20
  6. Step 6: Final answer
    x = 64,438.02

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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.