Home / 106,255.38-159,357.54-31,355.28

Finding the Fourth Proportional to 106,255.38, 159,357.54 and 31,355.28

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Solution

The fourth proportional to 106,255.38, 159,357.54 and 31,355.28 is: 47,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,255.38 : 159,357.54 = 31,355.28 : x
  2. Step 2: Convert to fraction form
    106,255.38/159,357.54 = 31,355.28/x
  3. Step 3: Cross multiply
    106,255.38x = 159,357.54 × 31,355.28
  4. Step 4: Simplify right side
    106,255.38x = 4,996,700,286.81
  5. Step 5: Solve for x
    x = 4,996,700,286.81/106,255.38
  6. Step 6: Final answer
    x = 47,025.39

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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.