Home / 95,388.50-131,671.47-81,905.60

Finding the Fourth Proportional to 95,388.50, 131,671.47 and 81,905.60

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Solution

The fourth proportional to 95,388.50, 131,671.47 and 81,905.60 is: 113,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,388.50 : 131,671.47 = 81,905.60 : x
  2. Step 2: Convert to fraction form
    95,388.50/131,671.47 = 81,905.60/x
  3. Step 3: Cross multiply
    95,388.50x = 131,671.47 × 81,905.60
  4. Step 4: Simplify right side
    95,388.50x = 10,784,630,753.23
  5. Step 5: Solve for x
    x = 10,784,630,753.23/95,388.50
  6. Step 6: Final answer
    x = 113,060.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.