Home / 199,851.96-299,629.68-120,947.46

Finding the Fourth Proportional to 199,851.96, 299,629.68 and 120,947.46

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Solution

The fourth proportional to 199,851.96, 299,629.68 and 120,947.46 is: 181,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,851.96 : 299,629.68 = 120,947.46 : x
  2. Step 2: Convert to fraction form
    199,851.96/299,629.68 = 120,947.46/x
  3. Step 3: Cross multiply
    199,851.96x = 299,629.68 × 120,947.46
  4. Step 4: Simplify right side
    199,851.96x = 36,239,448,736.61
  5. Step 5: Solve for x
    x = 36,239,448,736.61/199,851.96
  6. Step 6: Final answer
    x = 181,331.47

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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.