Home / 104,721.64-155,897.94-104,098.84

Finding the Fourth Proportional to 104,721.64, 155,897.94 and 104,098.84

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Solution

The fourth proportional to 104,721.64, 155,897.94 and 104,098.84 is: 154,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,721.64 : 155,897.94 = 104,098.84 : x
  2. Step 2: Convert to fraction form
    104,721.64/155,897.94 = 104,098.84/x
  3. Step 3: Cross multiply
    104,721.64x = 155,897.94 × 104,098.84
  4. Step 4: Simplify right side
    104,721.64x = 16,228,794,712.39
  5. Step 5: Solve for x
    x = 16,228,794,712.39/104,721.64
  6. Step 6: Final answer
    x = 154,970.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.