Home / 216,468.27-298,739.48-120,982.59

Finding the Fourth Proportional to 216,468.27, 298,739.48 and 120,982.59

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Solution

The fourth proportional to 216,468.27, 298,739.48 and 120,982.59 is: 166,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,468.27 : 298,739.48 = 120,982.59 : x
  2. Step 2: Convert to fraction form
    216,468.27/298,739.48 = 120,982.59/x
  3. Step 3: Cross multiply
    216,468.27x = 298,739.48 × 120,982.59
  4. Step 4: Simplify right side
    216,468.27x = 36,142,276,025.65
  5. Step 5: Solve for x
    x = 36,142,276,025.65/216,468.27
  6. Step 6: Final answer
    x = 166,963.39

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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.