Home / 216,454.68-298,706.59-120,961.35

Finding the Fourth Proportional to 216,454.68, 298,706.59 and 120,961.35

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Solution

The fourth proportional to 216,454.68, 298,706.59 and 120,961.35 is: 166,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,454.68 : 298,706.59 = 120,961.35 : x
  2. Step 2: Convert to fraction form
    216,454.68/298,706.59 = 120,961.35/x
  3. Step 3: Cross multiply
    216,454.68x = 298,706.59 × 120,961.35
  4. Step 4: Simplify right side
    216,454.68x = 36,131,952,380.30
  5. Step 5: Solve for x
    x = 36,131,952,380.30/216,454.68
  6. Step 6: Final answer
    x = 166,926.18

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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.