Home / 221,485.08-332,252.46-81,243.30

Finding the Fourth Proportional to 221,485.08, 332,252.46 and 81,243.30

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Solution

The fourth proportional to 221,485.08, 332,252.46 and 81,243.30 is: 121,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,485.08 : 332,252.46 = 81,243.30 : x
  2. Step 2: Convert to fraction form
    221,485.08/332,252.46 = 81,243.30/x
  3. Step 3: Cross multiply
    221,485.08x = 332,252.46 × 81,243.30
  4. Step 4: Simplify right side
    221,485.08x = 26,993,286,283.52
  5. Step 5: Solve for x
    x = 26,993,286,283.52/221,485.08
  6. Step 6: Final answer
    x = 121,874.06

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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.