Home / 221,847.58-306,212.46-131,235.04

Finding the Fourth Proportional to 221,847.58, 306,212.46 and 131,235.04

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Solution

The fourth proportional to 221,847.58, 306,212.46 and 131,235.04 is: 181,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,847.58 : 306,212.46 = 131,235.04 : x
  2. Step 2: Convert to fraction form
    221,847.58/306,212.46 = 131,235.04/x
  3. Step 3: Cross multiply
    221,847.58x = 306,212.46 × 131,235.04
  4. Step 4: Simplify right side
    221,847.58x = 40,185,804,436.60
  5. Step 5: Solve for x
    x = 40,185,804,436.60/221,847.58
  6. Step 6: Final answer
    x = 181,141.50

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1.5x scale

Why These Related Problems?

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