Home / 199,189.86-298,257.48-164,285.34

Finding the Fourth Proportional to 199,189.86, 298,257.48 and 164,285.34

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Solution

The fourth proportional to 199,189.86, 298,257.48 and 164,285.34 is: 245,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,189.86 : 298,257.48 = 164,285.34 : x
  2. Step 2: Convert to fraction form
    199,189.86/298,257.48 = 164,285.34/x
  3. Step 3: Cross multiply
    199,189.86x = 298,257.48 × 164,285.34
  4. Step 4: Simplify right side
    199,189.86x = 48,999,331,509.34
  5. Step 5: Solve for x
    x = 48,999,331,509.34/199,189.86
  6. Step 6: Final answer
    x = 245,993.10

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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.