Home / 221,552.04-305,740.26-120,950.04

Finding the Fourth Proportional to 221,552.04, 305,740.26 and 120,950.04

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Solution

The fourth proportional to 221,552.04, 305,740.26 and 120,950.04 is: 166,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,552.04 : 305,740.26 = 120,950.04 : x
  2. Step 2: Convert to fraction form
    221,552.04/305,740.26 = 120,950.04/x
  3. Step 3: Cross multiply
    221,552.04x = 305,740.26 × 120,950.04
  4. Step 4: Simplify right side
    221,552.04x = 36,979,296,676.61
  5. Step 5: Solve for x
    x = 36,979,296,676.61/221,552.04
  6. Step 6: Final answer
    x = 166,910.21

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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.