Home / 106,339.96-159,530.92-30,439.22

Finding the Fourth Proportional to 106,339.96, 159,530.92 and 30,439.22

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Solution

The fourth proportional to 106,339.96, 159,530.92 and 30,439.22 is: 45,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,339.96 : 159,530.92 = 30,439.22 : x
  2. Step 2: Convert to fraction form
    106,339.96/159,530.92 = 30,439.22/x
  3. Step 3: Cross multiply
    106,339.96x = 159,530.92 × 30,439.22
  4. Step 4: Simplify right side
    106,339.96x = 4,855,996,770.68
  5. Step 5: Solve for x
    x = 4,855,996,770.68/106,339.96
  6. Step 6: Final answer
    x = 45,664.84

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1.5x scale

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.