Home / 149,321.36-206,097-94,889.36

Finding the Fourth Proportional to 149,321.36, 206,097 and 94,889.36

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Solution

The fourth proportional to 149,321.36, 206,097 and 94,889.36 is: 130,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,321.36 : 206,097 = 94,889.36 : x
  2. Step 2: Convert to fraction form
    149,321.36/206,097 = 94,889.36/x
  3. Step 3: Cross multiply
    149,321.36x = 206,097 × 94,889.36
  4. Step 4: Simplify right side
    149,321.36x = 19,556,412,427.92
  5. Step 5: Solve for x
    x = 19,556,412,427.92/149,321.36
  6. Step 6: Final answer
    x = 130,968.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.