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Finding the Fourth Proportional to 161,495.80, 241,806.30 and 126,503.80

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Solution

The fourth proportional to 161,495.80, 241,806.30 and 126,503.80 is: 189,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,495.80 : 241,806.30 = 126,503.80 : x
  2. Step 2: Convert to fraction form
    161,495.80/241,806.30 = 126,503.80/x
  3. Step 3: Cross multiply
    161,495.80x = 241,806.30 × 126,503.80
  4. Step 4: Simplify right side
    161,495.80x = 30,589,415,813.94
  5. Step 5: Solve for x
    x = 30,589,415,813.94/161,495.80
  6. Step 6: Final answer
    x = 189,413.07

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1.5x scale

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.