Home / 220,786.56-304,645.05-130,171.05

Finding the Fourth Proportional to 220,786.56, 304,645.05 and 130,171.05

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Solution

The fourth proportional to 220,786.56, 304,645.05 and 130,171.05 is: 179,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786.56 : 304,645.05 = 130,171.05 : x
  2. Step 2: Convert to fraction form
    220,786.56/304,645.05 = 130,171.05/x
  3. Step 3: Cross multiply
    220,786.56x = 304,645.05 × 130,171.05
  4. Step 4: Simplify right side
    220,786.56x = 39,655,966,035.80
  5. Step 5: Solve for x
    x = 39,655,966,035.80/220,786.56
  6. Step 6: Final answer
    x = 179,612.23

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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.