Home / 231,727.32-347,722.47-125,109.86

Finding the Fourth Proportional to 231,727.32, 347,722.47 and 125,109.86

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Solution

The fourth proportional to 231,727.32, 347,722.47 and 125,109.86 is: 187,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,727.32 : 347,722.47 = 125,109.86 : x
  2. Step 2: Convert to fraction form
    231,727.32/347,722.47 = 125,109.86/x
  3. Step 3: Cross multiply
    231,727.32x = 347,722.47 × 125,109.86
  4. Step 4: Simplify right side
    231,727.32x = 43,503,507,801.94
  5. Step 5: Solve for x
    x = 43,503,507,801.94/231,727.32
  6. Step 6: Final answer
    x = 187,735.77

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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.