Home / 199,450.30-299,231.73-81,206.50

Finding the Fourth Proportional to 199,450.30, 299,231.73 and 81,206.50

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Solution

The fourth proportional to 199,450.30, 299,231.73 and 81,206.50 is: 121,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,450.30 : 299,231.73 = 81,206.50 : x
  2. Step 2: Convert to fraction form
    199,450.30/299,231.73 = 81,206.50/x
  3. Step 3: Cross multiply
    199,450.30x = 299,231.73 × 81,206.50
  4. Step 4: Simplify right side
    199,450.30x = 24,299,561,482.25
  5. Step 5: Solve for x
    x = 24,299,561,482.25/199,450.30
  6. Step 6: Final answer
    x = 121,832.66

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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.