Home / 131,081.60-196,586.48-36,289.10

Finding the Fourth Proportional to 131,081.60, 196,586.48 and 36,289.10

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Solution

The fourth proportional to 131,081.60, 196,586.48 and 36,289.10 is: 54,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,081.60 : 196,586.48 = 36,289.10 : x
  2. Step 2: Convert to fraction form
    131,081.60/196,586.48 = 36,289.10/x
  3. Step 3: Cross multiply
    131,081.60x = 196,586.48 × 36,289.10
  4. Step 4: Simplify right side
    131,081.60x = 7,133,946,431.37
  5. Step 5: Solve for x
    x = 7,133,946,431.37/131,081.60
  6. Step 6: Final answer
    x = 54,423.71

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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.