Home / 221,923.95-332,919.14-81,671.91

Finding the Fourth Proportional to 221,923.95, 332,919.14 and 81,671.91

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Solution

The fourth proportional to 221,923.95, 332,919.14 and 81,671.91 is: 122,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,923.95 : 332,919.14 = 81,671.91 : x
  2. Step 2: Convert to fraction form
    221,923.95/332,919.14 = 81,671.91/x
  3. Step 3: Cross multiply
    221,923.95x = 332,919.14 × 81,671.91
  4. Step 4: Simplify right side
    221,923.95x = 27,190,141,631.00
  5. Step 5: Solve for x
    x = 27,190,141,631.00/221,923.95
  6. Step 6: Final answer
    x = 122,520.09

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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.