Home / 216,890.03-299,319.41-120,093.41

Finding the Fourth Proportional to 216,890.03, 299,319.41 and 120,093.41

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Solution

The fourth proportional to 216,890.03, 299,319.41 and 120,093.41 is: 165,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,890.03 : 299,319.41 = 120,093.41 : x
  2. Step 2: Convert to fraction form
    216,890.03/299,319.41 = 120,093.41/x
  3. Step 3: Cross multiply
    216,890.03x = 299,319.41 × 120,093.41
  4. Step 4: Simplify right side
    216,890.03x = 35,946,287,429.72
  5. Step 5: Solve for x
    x = 35,946,287,429.72/216,890.03
  6. Step 6: Final answer
    x = 165,735.09

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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.