Home / 175,982.80-264,052.68-81,162

Finding the Fourth Proportional to 175,982.80, 264,052.68 and 81,162

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Solution

The fourth proportional to 175,982.80, 264,052.68 and 81,162 is: 121,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,982.80 : 264,052.68 = 81,162 : x
  2. Step 2: Convert to fraction form
    175,982.80/264,052.68 = 81,162/x
  3. Step 3: Cross multiply
    175,982.80x = 264,052.68 × 81,162
  4. Step 4: Simplify right side
    175,982.80x = 21,431,043,994.61
  5. Step 5: Solve for x
    x = 21,431,043,994.61/175,982.80
  6. Step 6: Final answer
    x = 121,779.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.