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Finding the Fourth Proportional to 95,505.20, 143,257.80 and 87,340.40

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Solution

The fourth proportional to 95,505.20, 143,257.80 and 87,340.40 is: 131,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,505.20 : 143,257.80 = 87,340.40 : x
  2. Step 2: Convert to fraction form
    95,505.20/143,257.80 = 87,340.40/x
  3. Step 3: Cross multiply
    95,505.20x = 143,257.80 × 87,340.40
  4. Step 4: Simplify right side
    95,505.20x = 12,512,193,555.12
  5. Step 5: Solve for x
    x = 12,512,193,555.12/95,505.20
  6. Step 6: Final answer
    x = 131,010.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.