Home / 108,321.55-162,413.07-52,049.68

Finding the Fourth Proportional to 108,321.55, 162,413.07 and 52,049.68

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Solution

The fourth proportional to 108,321.55, 162,413.07 and 52,049.68 is: 78,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,321.55 : 162,413.07 = 52,049.68 : x
  2. Step 2: Convert to fraction form
    108,321.55/162,413.07 = 52,049.68/x
  3. Step 3: Cross multiply
    108,321.55x = 162,413.07 × 52,049.68
  4. Step 4: Simplify right side
    108,321.55x = 8,453,548,321.32
  5. Step 5: Solve for x
    x = 8,453,548,321.32/108,321.55
  6. Step 6: Final answer
    x = 78,041.24

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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.