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Finding the Fourth Proportional to 110,413.60, 165,623.11 and 40,292.90

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Solution

The fourth proportional to 110,413.60, 165,623.11 and 40,292.90 is: 60,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,413.60 : 165,623.11 = 40,292.90 : x
  2. Step 2: Convert to fraction form
    110,413.60/165,623.11 = 40,292.90/x
  3. Step 3: Cross multiply
    110,413.60x = 165,623.11 × 40,292.90
  4. Step 4: Simplify right side
    110,413.60x = 6,673,435,408.92
  5. Step 5: Solve for x
    x = 6,673,435,408.92/110,413.60
  6. Step 6: Final answer
    x = 60,440.34

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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.