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Finding the Fourth Proportional to 106,323.60, 159,485.40 and 74,528.40

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Solution

The fourth proportional to 106,323.60, 159,485.40 and 74,528.40 is: 111,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,323.60 : 159,485.40 = 74,528.40 : x
  2. Step 2: Convert to fraction form
    106,323.60/159,485.40 = 74,528.40/x
  3. Step 3: Cross multiply
    106,323.60x = 159,485.40 × 74,528.40
  4. Step 4: Simplify right side
    106,323.60x = 11,886,191,685.36
  5. Step 5: Solve for x
    x = 11,886,191,685.36/106,323.60
  6. Step 6: Final answer
    x = 111,792.60

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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.