Home / 97,739.26-146,620.43-31,156.04

Finding the Fourth Proportional to 97,739.26, 146,620.43 and 31,156.04

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Solution

The fourth proportional to 97,739.26, 146,620.43 and 31,156.04 is: 46,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,739.26 : 146,620.43 = 31,156.04 : x
  2. Step 2: Convert to fraction form
    97,739.26/146,620.43 = 31,156.04/x
  3. Step 3: Cross multiply
    97,739.26x = 146,620.43 × 31,156.04
  4. Step 4: Simplify right side
    97,739.26x = 4,568,112,309.50
  5. Step 5: Solve for x
    x = 4,568,112,309.50/97,739.26
  6. Step 6: Final answer
    x = 46,737.74

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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.