Home / 154,579.92-231,889.68-47,970.96

Finding the Fourth Proportional to 154,579.92, 231,889.68 and 47,970.96

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Solution

The fourth proportional to 154,579.92, 231,889.68 and 47,970.96 is: 71,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,579.92 : 231,889.68 = 47,970.96 : x
  2. Step 2: Convert to fraction form
    154,579.92/231,889.68 = 47,970.96/x
  3. Step 3: Cross multiply
    154,579.92x = 231,889.68 × 47,970.96
  4. Step 4: Simplify right side
    154,579.92x = 11,123,970,563.69
  5. Step 5: Solve for x
    x = 11,123,970,563.69/154,579.92
  6. Step 6: Final answer
    x = 71,962.58

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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.