Home / 205,725.15-283,886.37-115,076.43

Finding the Fourth Proportional to 205,725.15, 283,886.37 and 115,076.43

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Solution

The fourth proportional to 205,725.15, 283,886.37 and 115,076.43 is: 158,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,725.15 : 283,886.37 = 115,076.43 : x
  2. Step 2: Convert to fraction form
    205,725.15/283,886.37 = 115,076.43/x
  3. Step 3: Cross multiply
    205,725.15x = 283,886.37 × 115,076.43
  4. Step 4: Simplify right side
    205,725.15x = 32,668,629,985.26
  5. Step 5: Solve for x
    x = 32,668,629,985.26/205,725.15
  6. Step 6: Final answer
    x = 158,797.45

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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.