Home / 104,721.42-155,897.63-104,098.63

Finding the Fourth Proportional to 104,721.42, 155,897.63 and 104,098.63

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Solution

The fourth proportional to 104,721.42, 155,897.63 and 104,098.63 is: 154,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,721.42 : 155,897.63 = 104,098.63 : x
  2. Step 2: Convert to fraction form
    104,721.42/155,897.63 = 104,098.63/x
  3. Step 3: Cross multiply
    104,721.42x = 155,897.63 × 104,098.63
  4. Step 4: Simplify right side
    104,721.42x = 16,228,729,703.25
  5. Step 5: Solve for x
    x = 16,228,729,703.25/104,721.42
  6. Step 6: Final answer
    x = 154,970.49

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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.