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Finding the Fourth Proportional to 187,054.40, 280,241.40 and 107,933.60

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Solution

The fourth proportional to 187,054.40, 280,241.40 and 107,933.60 is: 161,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,054.40 : 280,241.40 = 107,933.60 : x
  2. Step 2: Convert to fraction form
    187,054.40/280,241.40 = 107,933.60/x
  3. Step 3: Cross multiply
    187,054.40x = 280,241.40 × 107,933.60
  4. Step 4: Simplify right side
    187,054.40x = 30,247,463,171.04
  5. Step 5: Solve for x
    x = 30,247,463,171.04/187,054.40
  6. Step 6: Final answer
    x = 161,704.10

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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.