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Finding the Fourth Proportional to 136,291.60, 204,656.10 and 92,114.20

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Solution

The fourth proportional to 136,291.60, 204,656.10 and 92,114.20 is: 138,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,291.60 : 204,656.10 = 92,114.20 : x
  2. Step 2: Convert to fraction form
    136,291.60/204,656.10 = 92,114.20/x
  3. Step 3: Cross multiply
    136,291.60x = 204,656.10 × 92,114.20
  4. Step 4: Simplify right side
    136,291.60x = 18,851,732,926.62
  5. Step 5: Solve for x
    x = 18,851,732,926.62/136,291.60
  6. Step 6: Final answer
    x = 138,319.11

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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.