Home / 199,100.16-298,559.52-86,775.84

Finding the Fourth Proportional to 199,100.16, 298,559.52 and 86,775.84

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Solution

The fourth proportional to 199,100.16, 298,559.52 and 86,775.84 is: 130,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,100.16 : 298,559.52 = 86,775.84 : x
  2. Step 2: Convert to fraction form
    199,100.16/298,559.52 = 86,775.84/x
  3. Step 3: Cross multiply
    199,100.16x = 298,559.52 × 86,775.84
  4. Step 4: Simplify right side
    199,100.16x = 25,907,753,138.00
  5. Step 5: Solve for x
    x = 25,907,753,138.00/199,100.16
  6. Step 6: Final answer
    x = 130,124.22

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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.