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Finding the Fourth Proportional to 135,026.60, 202,151.10 and 121,029.80

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Solution

The fourth proportional to 135,026.60, 202,151.10 and 121,029.80 is: 181,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,026.60 : 202,151.10 = 121,029.80 : x
  2. Step 2: Convert to fraction form
    135,026.60/202,151.10 = 121,029.80/x
  3. Step 3: Cross multiply
    135,026.60x = 202,151.10 × 121,029.80
  4. Step 4: Simplify right side
    135,026.60x = 24,466,307,202.78
  5. Step 5: Solve for x
    x = 24,466,307,202.78/135,026.60
  6. Step 6: Final answer
    x = 181,196.20

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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.