Home / 199,265.96-298,945.67-79,330.25

Finding the Fourth Proportional to 199,265.96, 298,945.67 and 79,330.25

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Solution

The fourth proportional to 199,265.96, 298,945.67 and 79,330.25 is: 119,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,265.96 : 298,945.67 = 79,330.25 : x
  2. Step 2: Convert to fraction form
    199,265.96/298,945.67 = 79,330.25/x
  3. Step 3: Cross multiply
    199,265.96x = 298,945.67 × 79,330.25
  4. Step 4: Simplify right side
    199,265.96x = 23,715,434,737.52
  5. Step 5: Solve for x
    x = 23,715,434,737.52/199,265.96
  6. Step 6: Final answer
    x = 119,013.98

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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.