Home / 190,621.68-285,481.67-165,525.34

Finding the Fourth Proportional to 190,621.68, 285,481.67 and 165,525.34

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Solution

The fourth proportional to 190,621.68, 285,481.67 and 165,525.34 is: 247,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,621.68 : 285,481.67 = 165,525.34 : x
  2. Step 2: Convert to fraction form
    190,621.68/285,481.67 = 165,525.34/x
  3. Step 3: Cross multiply
    190,621.68x = 285,481.67 × 165,525.34
  4. Step 4: Simplify right side
    190,621.68x = 47,254,449,063.11
  5. Step 5: Solve for x
    x = 47,254,449,063.11/190,621.68
  6. Step 6: Final answer
    x = 247,896.51

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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.