Home / 198,743.10-298,114.65-50,999.10

Finding the Fourth Proportional to 198,743.10, 298,114.65 and 50,999.10

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Solution

The fourth proportional to 198,743.10, 298,114.65 and 50,999.10 is: 76,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,743.10 : 298,114.65 = 50,999.10 : x
  2. Step 2: Convert to fraction form
    198,743.10/298,114.65 = 50,999.10/x
  3. Step 3: Cross multiply
    198,743.10x = 298,114.65 × 50,999.10
  4. Step 4: Simplify right side
    198,743.10x = 15,203,578,846.82
  5. Step 5: Solve for x
    x = 15,203,578,846.82/198,743.10
  6. Step 6: Final answer
    x = 76,498.65

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1.5x scale

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.