Home / 216,454.18-298,705.89-120,960.85

Finding the Fourth Proportional to 216,454.18, 298,705.89 and 120,960.85

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Solution

The fourth proportional to 216,454.18, 298,705.89 and 120,960.85 is: 166,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,454.18 : 298,705.89 = 120,960.85 : x
  2. Step 2: Convert to fraction form
    216,454.18/298,705.89 = 120,960.85/x
  3. Step 3: Cross multiply
    216,454.18x = 298,705.89 × 120,960.85
  4. Step 4: Simplify right side
    216,454.18x = 36,131,716,860.88
  5. Step 5: Solve for x
    x = 36,131,716,860.88/216,454.18
  6. Step 6: Final answer
    x = 166,925.48

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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.