Home / 131,429.91-197,141.97-36,657.57

Finding the Fourth Proportional to 131,429.91, 197,141.97 and 36,657.57

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Solution

The fourth proportional to 131,429.91, 197,141.97 and 36,657.57 is: 54,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.91 : 197,141.97 = 36,657.57 : x
  2. Step 2: Convert to fraction form
    131,429.91/197,141.97 = 36,657.57/x
  3. Step 3: Cross multiply
    131,429.91x = 197,141.97 × 36,657.57
  4. Step 4: Simplify right side
    131,429.91x = 7,226,745,565.21
  5. Step 5: Solve for x
    x = 7,226,745,565.21/131,429.91
  6. Step 6: Final answer
    x = 54,985.55

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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.