Home / 165,510.45-248,071.26-76,576.11

Finding the Fourth Proportional to 165,510.45, 248,071.26 and 76,576.11

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Solution

The fourth proportional to 165,510.45, 248,071.26 and 76,576.11 is: 114,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,510.45 : 248,071.26 = 76,576.11 : x
  2. Step 2: Convert to fraction form
    165,510.45/248,071.26 = 76,576.11/x
  3. Step 3: Cross multiply
    165,510.45x = 248,071.26 × 76,576.11
  4. Step 4: Simplify right side
    165,510.45x = 18,996,332,093.60
  5. Step 5: Solve for x
    x = 18,996,332,093.60/165,510.45
  6. Step 6: Final answer
    x = 114,774.22

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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.