Home / 131,384.12-197,072.82-36,613.88

Finding the Fourth Proportional to 131,384.12, 197,072.82 and 36,613.88

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Solution

The fourth proportional to 131,384.12, 197,072.82 and 36,613.88 is: 54,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,384.12 : 197,072.82 = 36,613.88 : x
  2. Step 2: Convert to fraction form
    131,384.12/197,072.82 = 36,613.88/x
  3. Step 3: Cross multiply
    131,384.12x = 197,072.82 × 36,613.88
  4. Step 4: Simplify right side
    131,384.12x = 7,215,600,582.74
  5. Step 5: Solve for x
    x = 7,215,600,582.74/131,384.12
  6. Step 6: Final answer
    x = 54,919.88

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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.