Home / 108,413.27-162,614.89-28,449.26

Finding the Fourth Proportional to 108,413.27, 162,614.89 and 28,449.26

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Solution

The fourth proportional to 108,413.27, 162,614.89 and 28,449.26 is: 42,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,413.27 : 162,614.89 = 28,449.26 : x
  2. Step 2: Convert to fraction form
    108,413.27/162,614.89 = 28,449.26/x
  3. Step 3: Cross multiply
    108,413.27x = 162,614.89 × 28,449.26
  4. Step 4: Simplify right side
    108,413.27x = 4,626,273,285.48
  5. Step 5: Solve for x
    x = 4,626,273,285.48/108,413.27
  6. Step 6: Final answer
    x = 42,672.57

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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.