Home / 199,949.31-299,891.43-66,829.35

Finding the Fourth Proportional to 199,949.31, 299,891.43 and 66,829.35

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Solution

The fourth proportional to 199,949.31, 299,891.43 and 66,829.35 is: 100,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,949.31 : 299,891.43 = 66,829.35 : x
  2. Step 2: Convert to fraction form
    199,949.31/299,891.43 = 66,829.35/x
  3. Step 3: Cross multiply
    199,949.31x = 299,891.43 × 66,829.35
  4. Step 4: Simplify right side
    199,949.31x = 20,041,550,462.06
  5. Step 5: Solve for x
    x = 20,041,550,462.06/199,949.31
  6. Step 6: Final answer
    x = 100,233.16

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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.