Home / 220,860.36-330,636.06-136,348.79

Finding the Fourth Proportional to 220,860.36, 330,636.06 and 136,348.79

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Solution

The fourth proportional to 220,860.36, 330,636.06 and 136,348.79 is: 204,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,860.36 : 330,636.06 = 136,348.79 : x
  2. Step 2: Convert to fraction form
    220,860.36/330,636.06 = 136,348.79/x
  3. Step 3: Cross multiply
    220,860.36x = 330,636.06 × 136,348.79
  4. Step 4: Simplify right side
    220,860.36x = 45,081,825,058.19
  5. Step 5: Solve for x
    x = 45,081,825,058.19/220,860.36
  6. Step 6: Final answer
    x = 204,119.13

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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.