Home / 165,383.10-248,199.46-121,124.59

Finding the Fourth Proportional to 165,383.10, 248,199.46 and 121,124.59

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Solution

The fourth proportional to 165,383.10, 248,199.46 and 121,124.59 is: 181,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,383.10 : 248,199.46 = 121,124.59 : x
  2. Step 2: Convert to fraction form
    165,383.10/248,199.46 = 121,124.59/x
  3. Step 3: Cross multiply
    165,383.10x = 248,199.46 × 121,124.59
  4. Step 4: Simplify right side
    165,383.10x = 30,063,056,907.41
  5. Step 5: Solve for x
    x = 30,063,056,907.41/165,383.10
  6. Step 6: Final answer
    x = 181,778.29

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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.