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Finding the Fourth Proportional to 114,131.60, 171,104.66 and 47,621.32

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Solution

The fourth proportional to 114,131.60, 171,104.66 and 47,621.32 is: 71,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,131.60 : 171,104.66 = 47,621.32 : x
  2. Step 2: Convert to fraction form
    114,131.60/171,104.66 = 47,621.32/x
  3. Step 3: Cross multiply
    114,131.60x = 171,104.66 × 47,621.32
  4. Step 4: Simplify right side
    114,131.60x = 8,148,229,767.35
  5. Step 5: Solve for x
    x = 8,148,229,767.35/114,131.60
  6. Step 6: Final answer
    x = 71,393.28

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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.