Home / 199,362.29-298,557.66-131,853.20

Finding the Fourth Proportional to 199,362.29, 298,557.66 and 131,853.20

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Solution

The fourth proportional to 199,362.29, 298,557.66 and 131,853.20 is: 197,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,362.29 : 298,557.66 = 131,853.20 : x
  2. Step 2: Convert to fraction form
    199,362.29/298,557.66 = 131,853.20/x
  3. Step 3: Cross multiply
    199,362.29x = 298,557.66 × 131,853.20
  4. Step 4: Simplify right side
    199,362.29x = 39,365,782,855.51
  5. Step 5: Solve for x
    x = 39,365,782,855.51/199,362.29
  6. Step 6: Final answer
    x = 197,458.52

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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.