Home / 221,569.35-332,127.23-109,076.55

Finding the Fourth Proportional to 221,569.35, 332,127.23 and 109,076.55

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Solution

The fourth proportional to 221,569.35, 332,127.23 and 109,076.55 is: 163,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,569.35 : 332,127.23 = 109,076.55 : x
  2. Step 2: Convert to fraction form
    221,569.35/332,127.23 = 109,076.55/x
  3. Step 3: Cross multiply
    221,569.35x = 332,127.23 × 109,076.55
  4. Step 4: Simplify right side
    221,569.35x = 36,227,291,864.07
  5. Step 5: Solve for x
    x = 36,227,291,864.07/221,569.35
  6. Step 6: Final answer
    x = 163,503.17

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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.