Home / 198,962.07-298,255.50-99,027.79

Finding the Fourth Proportional to 198,962.07, 298,255.50 and 99,027.79

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Solution

The fourth proportional to 198,962.07, 298,255.50 and 99,027.79 is: 148,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,962.07 : 298,255.50 = 99,027.79 : x
  2. Step 2: Convert to fraction form
    198,962.07/298,255.50 = 99,027.79/x
  3. Step 3: Cross multiply
    198,962.07x = 298,255.50 × 99,027.79
  4. Step 4: Simplify right side
    198,962.07x = 29,535,581,033.93
  5. Step 5: Solve for x
    x = 29,535,581,033.93/198,962.07
  6. Step 6: Final answer
    x = 148,448.30

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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.