Home / 165,510.96-248,072-76,576.62

Finding the Fourth Proportional to 165,510.96, 248,072 and 76,576.62

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Solution

The fourth proportional to 165,510.96, 248,072 and 76,576.62 is: 114,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,510.96 : 248,072 = 76,576.62 : x
  2. Step 2: Convert to fraction form
    165,510.96/248,072 = 76,576.62/x
  3. Step 3: Cross multiply
    165,510.96x = 248,072 × 76,576.62
  4. Step 4: Simplify right side
    165,510.96x = 18,996,515,276.64
  5. Step 5: Solve for x
    x = 18,996,515,276.64/165,510.96
  6. Step 6: Final answer
    x = 114,774.97

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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.