Home / 198,408.64-297,359.88-92,995.36

Finding the Fourth Proportional to 198,408.64, 297,359.88 and 92,995.36

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Solution

The fourth proportional to 198,408.64, 297,359.88 and 92,995.36 is: 139,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,408.64 : 297,359.88 = 92,995.36 : x
  2. Step 2: Convert to fraction form
    198,408.64/297,359.88 = 92,995.36/x
  3. Step 3: Cross multiply
    198,408.64x = 297,359.88 × 92,995.36
  4. Step 4: Simplify right side
    198,408.64x = 27,653,089,090.16
  5. Step 5: Solve for x
    x = 27,653,089,090.16/198,408.64
  6. Step 6: Final answer
    x = 139,374.42

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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.