Home / 146,152.96-219,099.84-71,231.20

Finding the Fourth Proportional to 146,152.96, 219,099.84 and 71,231.20

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Solution

The fourth proportional to 146,152.96, 219,099.84 and 71,231.20 is: 106,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,152.96 : 219,099.84 = 71,231.20 : x
  2. Step 2: Convert to fraction form
    146,152.96/219,099.84 = 71,231.20/x
  3. Step 3: Cross multiply
    146,152.96x = 219,099.84 × 71,231.20
  4. Step 4: Simplify right side
    146,152.96x = 15,606,744,523.01
  5. Step 5: Solve for x
    x = 15,606,744,523.01/146,152.96
  6. Step 6: Final answer
    x = 106,783.64

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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.