Home / 131,367.99-197,079.66-42,614.58

Finding the Fourth Proportional to 131,367.99, 197,079.66 and 42,614.58

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Solution

The fourth proportional to 131,367.99, 197,079.66 and 42,614.58 is: 63,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,367.99 : 197,079.66 = 42,614.58 : x
  2. Step 2: Convert to fraction form
    131,367.99/197,079.66 = 42,614.58/x
  3. Step 3: Cross multiply
    131,367.99x = 197,079.66 × 42,614.58
  4. Step 4: Simplify right side
    131,367.99x = 8,398,466,937.44
  5. Step 5: Solve for x
    x = 8,398,466,937.44/131,367.99
  6. Step 6: Final answer
    x = 63,930.85

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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.