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Finding the Fourth Proportional to 118,322.40, 177,483.60 and 73,999.20

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Solution

The fourth proportional to 118,322.40, 177,483.60 and 73,999.20 is: 110,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,322.40 : 177,483.60 = 73,999.20 : x
  2. Step 2: Convert to fraction form
    118,322.40/177,483.60 = 73,999.20/x
  3. Step 3: Cross multiply
    118,322.40x = 177,483.60 × 73,999.20
  4. Step 4: Simplify right side
    118,322.40x = 13,133,644,413.12
  5. Step 5: Solve for x
    x = 13,133,644,413.12/118,322.40
  6. Step 6: Final answer
    x = 110,998.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.