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Finding the Fourth Proportional to 95,596.70, 143,395.05 and 80,390.30

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Solution

The fourth proportional to 95,596.70, 143,395.05 and 80,390.30 is: 120,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,596.70 : 143,395.05 = 80,390.30 : x
  2. Step 2: Convert to fraction form
    95,596.70/143,395.05 = 80,390.30/x
  3. Step 3: Cross multiply
    95,596.70x = 143,395.05 × 80,390.30
  4. Step 4: Simplify right side
    95,596.70x = 11,527,571,088.02
  5. Step 5: Solve for x
    x = 11,527,571,088.02/95,596.70
  6. Step 6: Final answer
    x = 120,585.45

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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.