Home / 106,330.21-159,495.32-31,444.52

Finding the Fourth Proportional to 106,330.21, 159,495.32 and 31,444.52

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Solution

The fourth proportional to 106,330.21, 159,495.32 and 31,444.52 is: 47,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,330.21 : 159,495.32 = 31,444.52 : x
  2. Step 2: Convert to fraction form
    106,330.21/159,495.32 = 31,444.52/x
  3. Step 3: Cross multiply
    106,330.21x = 159,495.32 × 31,444.52
  4. Step 4: Simplify right side
    106,330.21x = 5,015,253,871.60
  5. Step 5: Solve for x
    x = 5,015,253,871.60/106,330.21
  6. Step 6: Final answer
    x = 47,166.78

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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.