Home / 216,166.62-298,339.92-120,679.50

Finding the Fourth Proportional to 216,166.62, 298,339.92 and 120,679.50

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Solution

The fourth proportional to 216,166.62, 298,339.92 and 120,679.50 is: 166,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,166.62 : 298,339.92 = 120,679.50 : x
  2. Step 2: Convert to fraction form
    216,166.62/298,339.92 = 120,679.50/x
  3. Step 3: Cross multiply
    216,166.62x = 298,339.92 × 120,679.50
  4. Step 4: Simplify right side
    216,166.62x = 36,003,512,375.64
  5. Step 5: Solve for x
    x = 36,003,512,375.64/216,166.62
  6. Step 6: Final answer
    x = 166,554.45

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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.