Home / 68,910.49-103,300.13-22,130.56

Finding the Fourth Proportional to 68,910.49, 103,300.13 and 22,130.56

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Solution

The fourth proportional to 68,910.49, 103,300.13 and 22,130.56 is: 33,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,910.49 : 103,300.13 = 22,130.56 : x
  2. Step 2: Convert to fraction form
    68,910.49/103,300.13 = 22,130.56/x
  3. Step 3: Cross multiply
    68,910.49x = 103,300.13 × 22,130.56
  4. Step 4: Simplify right side
    68,910.49x = 2,286,089,955.56
  5. Step 5: Solve for x
    x = 2,286,089,955.56/68,910.49
  6. Step 6: Final answer
    x = 33,174.77

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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.