Home / 199,915.44-299,868.39-64,979.34

Finding the Fourth Proportional to 199,915.44, 299,868.39 and 64,979.34

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Solution

The fourth proportional to 199,915.44, 299,868.39 and 64,979.34 is: 97,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,915.44 : 299,868.39 = 64,979.34 : x
  2. Step 2: Convert to fraction form
    199,915.44/299,868.39 = 64,979.34/x
  3. Step 3: Cross multiply
    199,915.44x = 299,868.39 × 64,979.34
  4. Step 4: Simplify right side
    199,915.44x = 19,485,250,069.06
  5. Step 5: Solve for x
    x = 19,485,250,069.06/199,915.44
  6. Step 6: Final answer
    x = 97,467.46

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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.