Home / 199,499.13-298,998.86-99,687.33

Finding the Fourth Proportional to 199,499.13, 298,998.86 and 99,687.33

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Solution

The fourth proportional to 199,499.13, 298,998.86 and 99,687.33 is: 149,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,499.13 : 298,998.86 = 99,687.33 : x
  2. Step 2: Convert to fraction form
    199,499.13/298,998.86 = 99,687.33/x
  3. Step 3: Cross multiply
    199,499.13x = 298,998.86 × 99,687.33
  4. Step 4: Simplify right side
    199,499.13x = 29,806,397,528.01
  5. Step 5: Solve for x
    x = 29,806,397,528.01/199,499.13
  6. Step 6: Final answer
    x = 149,406.15

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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.