Home / 199,968.98-299,621.30-140,680.08

Finding the Fourth Proportional to 199,968.98, 299,621.30 and 140,680.08

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Solution

The fourth proportional to 199,968.98, 299,621.30 and 140,680.08 is: 210,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,968.98 : 299,621.30 = 140,680.08 : x
  2. Step 2: Convert to fraction form
    199,968.98/299,621.30 = 140,680.08/x
  3. Step 3: Cross multiply
    199,968.98x = 299,621.30 × 140,680.08
  4. Step 4: Simplify right side
    199,968.98x = 42,150,747,750.30
  5. Step 5: Solve for x
    x = 42,150,747,750.30/199,968.98
  6. Step 6: Final answer
    x = 210,786.44

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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.