Home / 216,163.44-298,300.59-120,679.02

Finding the Fourth Proportional to 216,163.44, 298,300.59 and 120,679.02

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Solution

The fourth proportional to 216,163.44, 298,300.59 and 120,679.02 is: 166,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,163.44 : 298,300.59 = 120,679.02 : x
  2. Step 2: Convert to fraction form
    216,163.44/298,300.59 = 120,679.02/x
  3. Step 3: Cross multiply
    216,163.44x = 298,300.59 × 120,679.02
  4. Step 4: Simplify right side
    216,163.44x = 35,998,622,866.62
  5. Step 5: Solve for x
    x = 35,998,622,866.62/216,163.44
  6. Step 6: Final answer
    x = 166,534.28

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1.5x scale

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.