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Finding the Fourth Proportional to 95,595.20, 143,392.80 and 80,388.80

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Solution

The fourth proportional to 95,595.20, 143,392.80 and 80,388.80 is: 120,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,595.20 : 143,392.80 = 80,388.80 : x
  2. Step 2: Convert to fraction form
    95,595.20/143,392.80 = 80,388.80/x
  3. Step 3: Cross multiply
    95,595.20x = 143,392.80 × 80,388.80
  4. Step 4: Simplify right side
    95,595.20x = 11,527,175,120.64
  5. Step 5: Solve for x
    x = 11,527,175,120.64/95,595.20
  6. Step 6: Final answer
    x = 120,583.20

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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.