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Finding the Fourth Proportional to 132,173, 182,375.22 and 74,812.04

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Solution

The fourth proportional to 132,173, 182,375.22 and 74,812.04 is: 103,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,173 : 182,375.22 = 74,812.04 : x
  2. Step 2: Convert to fraction form
    132,173/182,375.22 = 74,812.04/x
  3. Step 3: Cross multiply
    132,173x = 182,375.22 × 74,812.04
  4. Step 4: Simplify right side
    132,173x = 13,643,862,253.65
  5. Step 5: Solve for x
    x = 13,643,862,253.65/132,173
  6. Step 6: Final answer
    x = 103,227.30

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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.