Home / 221,929.59-332,664.75-109,459.47

Finding the Fourth Proportional to 221,929.59, 332,664.75 and 109,459.47

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Solution

The fourth proportional to 221,929.59, 332,664.75 and 109,459.47 is: 164,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,929.59 : 332,664.75 = 109,459.47 : x
  2. Step 2: Convert to fraction form
    221,929.59/332,664.75 = 109,459.47/x
  3. Step 3: Cross multiply
    221,929.59x = 332,664.75 × 109,459.47
  4. Step 4: Simplify right side
    221,929.59x = 36,413,307,222.68
  5. Step 5: Solve for x
    x = 36,413,307,222.68/221,929.59
  6. Step 6: Final answer
    x = 164,075.95

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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.