Home / 103,802.23-155,679.43-40,623.85

Finding the Fourth Proportional to 103,802.23, 155,679.43 and 40,623.85

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Solution

The fourth proportional to 103,802.23, 155,679.43 and 40,623.85 is: 60,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,802.23 : 155,679.43 = 40,623.85 : x
  2. Step 2: Convert to fraction form
    103,802.23/155,679.43 = 40,623.85/x
  3. Step 3: Cross multiply
    103,802.23x = 155,679.43 × 40,623.85
  4. Step 4: Simplify right side
    103,802.23x = 6,324,297,812.41
  5. Step 5: Solve for x
    x = 6,324,297,812.41/103,802.23
  6. Step 6: Final answer
    x = 60,926.42

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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.