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Finding the Fourth Proportional to 110,942.40, 166,413.60 and 37,070.40

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Solution

The fourth proportional to 110,942.40, 166,413.60 and 37,070.40 is: 55,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,942.40 : 166,413.60 = 37,070.40 : x
  2. Step 2: Convert to fraction form
    110,942.40/166,413.60 = 37,070.40/x
  3. Step 3: Cross multiply
    110,942.40x = 166,413.60 × 37,070.40
  4. Step 4: Simplify right side
    110,942.40x = 6,169,018,717.44
  5. Step 5: Solve for x
    x = 6,169,018,717.44/110,942.40
  6. Step 6: Final answer
    x = 55,605.60

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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.