Home / 194,481.20-291,721.80-106,007.60

Finding the Fourth Proportional to 194,481.20, 291,721.80 and 106,007.60

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Solution

The fourth proportional to 194,481.20, 291,721.80 and 106,007.60 is: 159,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,481.20 : 291,721.80 = 106,007.60 : x
  2. Step 2: Convert to fraction form
    194,481.20/291,721.80 = 106,007.60/x
  3. Step 3: Cross multiply
    194,481.20x = 291,721.80 × 106,007.60
  4. Step 4: Simplify right side
    194,481.20x = 30,924,727,885.68
  5. Step 5: Solve for x
    x = 30,924,727,885.68/194,481.20
  6. Step 6: Final answer
    x = 159,011.40

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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.