Home / 199,601.90-298,965.45-105,998.30

Finding the Fourth Proportional to 199,601.90, 298,965.45 and 105,998.30

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Solution

The fourth proportional to 199,601.90, 298,965.45 and 105,998.30 is: 158,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,601.90 : 298,965.45 = 105,998.30 : x
  2. Step 2: Convert to fraction form
    199,601.90/298,965.45 = 105,998.30/x
  3. Step 3: Cross multiply
    199,601.90x = 298,965.45 × 105,998.30
  4. Step 4: Simplify right side
    199,601.90x = 31,689,829,458.74
  5. Step 5: Solve for x
    x = 31,689,829,458.74/199,601.90
  6. Step 6: Final answer
    x = 158,765.17

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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.