Home / 198,825.51-298,125.32-135,722.06

Finding the Fourth Proportional to 198,825.51, 298,125.32 and 135,722.06

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Solution

The fourth proportional to 198,825.51, 298,125.32 and 135,722.06 is: 203,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,825.51 : 298,125.32 = 135,722.06 : x
  2. Step 2: Convert to fraction form
    198,825.51/298,125.32 = 135,722.06/x
  3. Step 3: Cross multiply
    198,825.51x = 298,125.32 × 135,722.06
  4. Step 4: Simplify right side
    198,825.51x = 40,462,180,399.32
  5. Step 5: Solve for x
    x = 40,462,180,399.32/198,825.51
  6. Step 6: Final answer
    x = 203,505.98

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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.