Home / 220,922.07-304,872.45-120,320.07

Finding the Fourth Proportional to 220,922.07, 304,872.45 and 120,320.07

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Solution

The fourth proportional to 220,922.07, 304,872.45 and 120,320.07 is: 166,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,922.07 : 304,872.45 = 120,320.07 : x
  2. Step 2: Convert to fraction form
    220,922.07/304,872.45 = 120,320.07/x
  3. Step 3: Cross multiply
    220,922.07x = 304,872.45 × 120,320.07
  4. Step 4: Simplify right side
    220,922.07x = 36,682,274,525.07
  5. Step 5: Solve for x
    x = 36,682,274,525.07/220,922.07
  6. Step 6: Final answer
    x = 166,041.69

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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.