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Finding the Fourth Proportional to 135,145.60, 202,699.20 and 46,403.20

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Solution

The fourth proportional to 135,145.60, 202,699.20 and 46,403.20 is: 69,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,145.60 : 202,699.20 = 46,403.20 : x
  2. Step 2: Convert to fraction form
    135,145.60/202,699.20 = 46,403.20/x
  3. Step 3: Cross multiply
    135,145.60x = 202,699.20 × 46,403.20
  4. Step 4: Simplify right side
    135,145.60x = 9,405,891,517.44
  5. Step 5: Solve for x
    x = 9,405,891,517.44/135,145.60
  6. Step 6: Final answer
    x = 69,598.21

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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.