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Finding the Fourth Proportional to 170,105.60, 254,697.60 and 133,241.60

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Solution

The fourth proportional to 170,105.60, 254,697.60 and 133,241.60 is: 199,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,105.60 : 254,697.60 = 133,241.60 : x
  2. Step 2: Convert to fraction form
    170,105.60/254,697.60 = 133,241.60/x
  3. Step 3: Cross multiply
    170,105.60x = 254,697.60 × 133,241.60
  4. Step 4: Simplify right side
    170,105.60x = 33,936,315,740.16
  5. Step 5: Solve for x
    x = 33,936,315,740.16/170,105.60
  6. Step 6: Final answer
    x = 199,501.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.