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Finding the Fourth Proportional to 168,471.55, 252,927.98 and 112,670.25

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Solution

The fourth proportional to 168,471.55, 252,927.98 and 112,670.25 is: 169,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,471.55 : 252,927.98 = 112,670.25 : x
  2. Step 2: Convert to fraction form
    168,471.55/252,927.98 = 112,670.25/x
  3. Step 3: Cross multiply
    168,471.55x = 252,927.98 × 112,670.25
  4. Step 4: Simplify right side
    168,471.55x = 28,497,458,738.60
  5. Step 5: Solve for x
    x = 28,497,458,738.60/168,471.55
  6. Step 6: Final answer
    x = 169,152.94

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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.