Home / 199,783.24-299,673.78-81,454.12

Finding the Fourth Proportional to 199,783.24, 299,673.78 and 81,454.12

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Solution

The fourth proportional to 199,783.24, 299,673.78 and 81,454.12 is: 122,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,783.24 : 299,673.78 = 81,454.12 : x
  2. Step 2: Convert to fraction form
    199,783.24/299,673.78 = 81,454.12/x
  3. Step 3: Cross multiply
    199,783.24x = 299,673.78 × 81,454.12
  4. Step 4: Simplify right side
    199,783.24x = 24,409,664,036.97
  5. Step 5: Solve for x
    x = 24,409,664,036.97/199,783.24
  6. Step 6: Final answer
    x = 122,180.74

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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.