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Finding the Fourth Proportional to 114,408.60, 171,612.90 and 35,530.80

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Solution

The fourth proportional to 114,408.60, 171,612.90 and 35,530.80 is: 53,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,408.60 : 171,612.90 = 35,530.80 : x
  2. Step 2: Convert to fraction form
    114,408.60/171,612.90 = 35,530.80/x
  3. Step 3: Cross multiply
    114,408.60x = 171,612.90 × 35,530.80
  4. Step 4: Simplify right side
    114,408.60x = 6,097,543,627.32
  5. Step 5: Solve for x
    x = 6,097,543,627.32/114,408.60
  6. Step 6: Final answer
    x = 53,296.20

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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.