Home / 72,183.40-108,280.58-19,596.98

Finding the Fourth Proportional to 72,183.40, 108,280.58 and 19,596.98

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Solution

The fourth proportional to 72,183.40, 108,280.58 and 19,596.98 is: 29,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183.40 : 108,280.58 = 19,596.98 : x
  2. Step 2: Convert to fraction form
    72,183.40/108,280.58 = 19,596.98/x
  3. Step 3: Cross multiply
    72,183.40x = 108,280.58 × 19,596.98
  4. Step 4: Simplify right side
    72,183.40x = 2,121,972,533.36
  5. Step 5: Solve for x
    x = 2,121,972,533.36/72,183.40
  6. Step 6: Final answer
    x = 29,396.96

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1.5x scale

Why These Related Problems?

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