Home / 221,929.03-332,942.88-103,535.78

Finding the Fourth Proportional to 221,929.03, 332,942.88 and 103,535.78

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Solution

The fourth proportional to 221,929.03, 332,942.88 and 103,535.78 is: 155,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,929.03 : 332,942.88 = 103,535.78 : x
  2. Step 2: Convert to fraction form
    221,929.03/332,942.88 = 103,535.78/x
  3. Step 3: Cross multiply
    221,929.03x = 332,942.88 × 103,535.78
  4. Step 4: Simplify right side
    221,929.03x = 34,471,501,844.61
  5. Step 5: Solve for x
    x = 34,471,501,844.61/221,929.03
  6. Step 6: Final answer
    x = 155,326.69

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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.