Home / 199,738.08-299,608.26-66,617.96

Finding the Fourth Proportional to 199,738.08, 299,608.26 and 66,617.96

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Solution

The fourth proportional to 199,738.08, 299,608.26 and 66,617.96 is: 99,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,738.08 : 299,608.26 = 66,617.96 : x
  2. Step 2: Convert to fraction form
    199,738.08/299,608.26 = 66,617.96/x
  3. Step 3: Cross multiply
    199,738.08x = 299,608.26 × 66,617.96
  4. Step 4: Simplify right side
    199,738.08x = 19,959,291,080.35
  5. Step 5: Solve for x
    x = 19,959,291,080.35/199,738.08
  6. Step 6: Final answer
    x = 99,927.32

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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.