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Finding the Fourth Proportional to 121,536.40, 182,304.60 and 110,455.60

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Solution

The fourth proportional to 121,536.40, 182,304.60 and 110,455.60 is: 165,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,536.40 : 182,304.60 = 110,455.60 : x
  2. Step 2: Convert to fraction form
    121,536.40/182,304.60 = 110,455.60/x
  3. Step 3: Cross multiply
    121,536.40x = 182,304.60 × 110,455.60
  4. Step 4: Simplify right side
    121,536.40x = 20,136,563,975.76
  5. Step 5: Solve for x
    x = 20,136,563,975.76/121,536.40
  6. Step 6: Final answer
    x = 165,683.40

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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.