Home / 120,491.07-166,295.61-69,494.28

Finding the Fourth Proportional to 120,491.07, 166,295.61 and 69,494.28

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Solution

The fourth proportional to 120,491.07, 166,295.61 and 69,494.28 is: 95,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,491.07 : 166,295.61 = 69,494.28 : x
  2. Step 2: Convert to fraction form
    120,491.07/166,295.61 = 69,494.28/x
  3. Step 3: Cross multiply
    120,491.07x = 166,295.61 × 69,494.28
  4. Step 4: Simplify right side
    120,491.07x = 11,556,593,684.11
  5. Step 5: Solve for x
    x = 11,556,593,684.11/120,491.07
  6. Step 6: Final answer
    x = 95,912.45

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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.