Home / 220,968.56-304,926.78-129,096.37

Finding the Fourth Proportional to 220,968.56, 304,926.78 and 129,096.37

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Solution

The fourth proportional to 220,968.56, 304,926.78 and 129,096.37 is: 178,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,968.56 : 304,926.78 = 129,096.37 : x
  2. Step 2: Convert to fraction form
    220,968.56/304,926.78 = 129,096.37/x
  3. Step 3: Cross multiply
    220,968.56x = 304,926.78 × 129,096.37
  4. Step 4: Simplify right side
    220,968.56x = 39,364,938,889.15
  5. Step 5: Solve for x
    x = 39,364,938,889.15/220,968.56
  6. Step 6: Final answer
    x = 178,147.24

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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.