Home / 106,739.36-160,059.83-31,840.08

Finding the Fourth Proportional to 106,739.36, 160,059.83 and 31,840.08

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Solution

The fourth proportional to 106,739.36, 160,059.83 and 31,840.08 is: 47,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,739.36 : 160,059.83 = 31,840.08 : x
  2. Step 2: Convert to fraction form
    106,739.36/160,059.83 = 31,840.08/x
  3. Step 3: Cross multiply
    106,739.36x = 160,059.83 × 31,840.08
  4. Step 4: Simplify right side
    106,739.36x = 5,096,317,632.79
  5. Step 5: Solve for x
    x = 5,096,317,632.79/106,739.36
  6. Step 6: Final answer
    x = 47,745.44

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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.