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Finding the Fourth Proportional to 168,364.46, 251,058.16 and 166,863.63

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Solution

The fourth proportional to 168,364.46, 251,058.16 and 166,863.63 is: 248,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,364.46 : 251,058.16 = 166,863.63 : x
  2. Step 2: Convert to fraction form
    168,364.46/251,058.16 = 166,863.63/x
  3. Step 3: Cross multiply
    168,364.46x = 251,058.16 × 166,863.63
  4. Step 4: Simplify right side
    168,364.46x = 41,892,475,918.72
  5. Step 5: Solve for x
    x = 41,892,475,918.72/168,364.46
  6. Step 6: Final answer
    x = 248,820.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.