Home / 146,204.23-219,129.63-71,212

Finding the Fourth Proportional to 146,204.23, 219,129.63 and 71,212

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Solution

The fourth proportional to 146,204.23, 219,129.63 and 71,212 is: 106,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,204.23 : 219,129.63 = 71,212 : x
  2. Step 2: Convert to fraction form
    146,204.23/219,129.63 = 71,212/x
  3. Step 3: Cross multiply
    146,204.23x = 219,129.63 × 71,212
  4. Step 4: Simplify right side
    146,204.23x = 15,604,659,211.56
  5. Step 5: Solve for x
    x = 15,604,659,211.56/146,204.23
  6. Step 6: Final answer
    x = 106,731.93

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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.