Home / 199,820.08-299,790.06-84,469.24

Finding the Fourth Proportional to 199,820.08, 299,790.06 and 84,469.24

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Solution

The fourth proportional to 199,820.08, 299,790.06 and 84,469.24 is: 126,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,820.08 : 299,790.06 = 84,469.24 : x
  2. Step 2: Convert to fraction form
    199,820.08/299,790.06 = 84,469.24/x
  3. Step 3: Cross multiply
    199,820.08x = 299,790.06 × 84,469.24
  4. Step 4: Simplify right side
    199,820.08x = 25,323,038,527.75
  5. Step 5: Solve for x
    x = 25,323,038,527.75/199,820.08
  6. Step 6: Final answer
    x = 126,729.20

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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.