Home / 106,256.42-159,405.67-30,355.62

Finding the Fourth Proportional to 106,256.42, 159,405.67 and 30,355.62

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Solution

The fourth proportional to 106,256.42, 159,405.67 and 30,355.62 is: 45,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,256.42 : 159,405.67 = 30,355.62 : x
  2. Step 2: Convert to fraction form
    106,256.42/159,405.67 = 30,355.62/x
  3. Step 3: Cross multiply
    106,256.42x = 159,405.67 × 30,355.62
  4. Step 4: Simplify right side
    106,256.42x = 4,838,857,944.37
  5. Step 5: Solve for x
    x = 4,838,857,944.37/106,256.42
  6. Step 6: Final answer
    x = 45,539.44

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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.