Home / 140,079.97-210,022.75-51,321.25

Finding the Fourth Proportional to 140,079.97, 210,022.75 and 51,321.25

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Solution

The fourth proportional to 140,079.97, 210,022.75 and 51,321.25 is: 76,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,079.97 : 210,022.75 = 51,321.25 : x
  2. Step 2: Convert to fraction form
    140,079.97/210,022.75 = 51,321.25/x
  3. Step 3: Cross multiply
    140,079.97x = 210,022.75 × 51,321.25
  4. Step 4: Simplify right side
    140,079.97x = 10,778,630,058.44
  5. Step 5: Solve for x
    x = 10,778,630,058.44/140,079.97
  6. Step 6: Final answer
    x = 76,946.26

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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.