Home / 163,910.70-245,821.05-103,849.02

Finding the Fourth Proportional to 163,910.70, 245,821.05 and 103,849.02

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Solution

The fourth proportional to 163,910.70, 245,821.05 and 103,849.02 is: 155,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,910.70 : 245,821.05 = 103,849.02 : x
  2. Step 2: Convert to fraction form
    163,910.70/245,821.05 = 103,849.02/x
  3. Step 3: Cross multiply
    163,910.70x = 245,821.05 × 103,849.02
  4. Step 4: Simplify right side
    163,910.70x = 25,528,275,137.87
  5. Step 5: Solve for x
    x = 25,528,275,137.87/163,910.70
  6. Step 6: Final answer
    x = 155,745.02

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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.