Home / 220,968.42-304,926.58-129,096.23

Finding the Fourth Proportional to 220,968.42, 304,926.58 and 129,096.23

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Solution

The fourth proportional to 220,968.42, 304,926.58 and 129,096.23 is: 178,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,968.42 : 304,926.58 = 129,096.23 : x
  2. Step 2: Convert to fraction form
    220,968.42/304,926.58 = 129,096.23/x
  3. Step 3: Cross multiply
    220,968.42x = 304,926.58 × 129,096.23
  4. Step 4: Simplify right side
    220,968.42x = 39,364,872,828.48
  5. Step 5: Solve for x
    x = 39,364,872,828.48/220,968.42
  6. Step 6: Final answer
    x = 178,147.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.