Home / 100,902.32-139,245.24-58,485.44

Finding the Fourth Proportional to 100,902.32, 139,245.24 and 58,485.44

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Solution

The fourth proportional to 100,902.32, 139,245.24 and 58,485.44 is: 80,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,902.32 : 139,245.24 = 58,485.44 : x
  2. Step 2: Convert to fraction form
    100,902.32/139,245.24 = 58,485.44/x
  3. Step 3: Cross multiply
    100,902.32x = 139,245.24 × 58,485.44
  4. Step 4: Simplify right side
    100,902.32x = 8,143,819,129.31
  5. Step 5: Solve for x
    x = 8,143,819,129.31/100,902.32
  6. Step 6: Final answer
    x = 80,709.93

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