Home / 236,939.59-355,427.74-79,168.60

Finding the Fourth Proportional to 236,939.59, 355,427.74 and 79,168.60

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Solution

The fourth proportional to 236,939.59, 355,427.74 and 79,168.60 is: 118,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,939.59 : 355,427.74 = 79,168.60 : x
  2. Step 2: Convert to fraction form
    236,939.59/355,427.74 = 79,168.60/x
  3. Step 3: Cross multiply
    236,939.59x = 355,427.74 × 79,168.60
  4. Step 4: Simplify right side
    236,939.59x = 28,138,714,799.83
  5. Step 5: Solve for x
    x = 28,138,714,799.83/236,939.59
  6. Step 6: Final answer
    x = 118,759.03

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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.