Home / 131,968.62-182,114.46-74,607.05

Finding the Fourth Proportional to 131,968.62, 182,114.46 and 74,607.05

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Solution

The fourth proportional to 131,968.62, 182,114.46 and 74,607.05 is: 102,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,968.62 : 182,114.46 = 74,607.05 : x
  2. Step 2: Convert to fraction form
    131,968.62/182,114.46 = 74,607.05/x
  3. Step 3: Cross multiply
    131,968.62x = 182,114.46 × 74,607.05
  4. Step 4: Simplify right side
    131,968.62x = 13,587,023,078.23
  5. Step 5: Solve for x
    x = 13,587,023,078.23/131,968.62
  6. Step 6: Final answer
    x = 102,956.47

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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.