Home / 221,381.06-332,204.63-79,215.12

Finding the Fourth Proportional to 221,381.06, 332,204.63 and 79,215.12

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Solution

The fourth proportional to 221,381.06, 332,204.63 and 79,215.12 is: 118,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,381.06 : 332,204.63 = 79,215.12 : x
  2. Step 2: Convert to fraction form
    221,381.06/332,204.63 = 79,215.12/x
  3. Step 3: Cross multiply
    221,381.06x = 332,204.63 × 79,215.12
  4. Step 4: Simplify right side
    221,381.06x = 26,315,629,233.93
  5. Step 5: Solve for x
    x = 26,315,629,233.93/221,381.06
  6. Step 6: Final answer
    x = 118,870.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.