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Finding the Fourth Proportional to 171,054.90, 256,558.05 and 52,738.20

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Solution

The fourth proportional to 171,054.90, 256,558.05 and 52,738.20 is: 79,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,054.90 : 256,558.05 = 52,738.20 : x
  2. Step 2: Convert to fraction form
    171,054.90/256,558.05 = 52,738.20/x
  3. Step 3: Cross multiply
    171,054.90x = 256,558.05 × 52,738.20
  4. Step 4: Simplify right side
    171,054.90x = 13,530,409,752.51
  5. Step 5: Solve for x
    x = 13,530,409,752.51/171,054.90
  6. Step 6: Final answer
    x = 79,099.81

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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.