Home / 221,645.16-305,971.02-141,183

Finding the Fourth Proportional to 221,645.16, 305,971.02 and 141,183

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Solution

The fourth proportional to 221,645.16, 305,971.02 and 141,183 is: 194,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,645.16 : 305,971.02 = 141,183 : x
  2. Step 2: Convert to fraction form
    221,645.16/305,971.02 = 141,183/x
  3. Step 3: Cross multiply
    221,645.16x = 305,971.02 × 141,183
  4. Step 4: Simplify right side
    221,645.16x = 43,197,906,516.66
  5. Step 5: Solve for x
    x = 43,197,906,516.66/221,645.16
  6. Step 6: Final answer
    x = 194,896.68

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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.