Home / 231,828.20-347,781.60-71,867.60

Finding the Fourth Proportional to 231,828.20, 347,781.60 and 71,867.60

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Solution

The fourth proportional to 231,828.20, 347,781.60 and 71,867.60 is: 107,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,828.20 : 347,781.60 = 71,867.60 : x
  2. Step 2: Convert to fraction form
    231,828.20/347,781.60 = 71,867.60/x
  3. Step 3: Cross multiply
    231,828.20x = 347,781.60 × 71,867.60
  4. Step 4: Simplify right side
    231,828.20x = 24,994,228,916.16
  5. Step 5: Solve for x
    x = 24,994,228,916.16/231,828.20
  6. Step 6: Final answer
    x = 107,813.58

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1.5x scale

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.