Home / 218,787.75-301,927.37-118,185.75

Finding the Fourth Proportional to 218,787.75, 301,927.37 and 118,185.75

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Solution

The fourth proportional to 218,787.75, 301,927.37 and 118,185.75 is: 163,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,787.75 : 301,927.37 = 118,185.75 : x
  2. Step 2: Convert to fraction form
    218,787.75/301,927.37 = 118,185.75/x
  3. Step 3: Cross multiply
    218,787.75x = 301,927.37 × 118,185.75
  4. Step 4: Simplify right side
    218,787.75x = 35,683,512,078.05
  5. Step 5: Solve for x
    x = 35,683,512,078.05/218,787.75
  6. Step 6: Final answer
    x = 163,096.48

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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.