Home / 221,922.88-332,933.60-64,139.40

Finding the Fourth Proportional to 221,922.88, 332,933.60 and 64,139.40

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Solution

The fourth proportional to 221,922.88, 332,933.60 and 64,139.40 is: 96,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,922.88 : 332,933.60 = 64,139.40 : x
  2. Step 2: Convert to fraction form
    221,922.88/332,933.60 = 64,139.40/x
  3. Step 3: Cross multiply
    221,922.88x = 332,933.60 × 64,139.40
  4. Step 4: Simplify right side
    221,922.88x = 21,354,161,343.84
  5. Step 5: Solve for x
    x = 21,354,161,343.84/221,922.88
  6. Step 6: Final answer
    x = 96,223.34

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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.