Home / 204,325.40-306,342.30-91,913.60

Finding the Fourth Proportional to 204,325.40, 306,342.30 and 91,913.60

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Solution

The fourth proportional to 204,325.40, 306,342.30 and 91,913.60 is: 137,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,325.40 : 306,342.30 = 91,913.60 : x
  2. Step 2: Convert to fraction form
    204,325.40/306,342.30 = 91,913.60/x
  3. Step 3: Cross multiply
    204,325.40x = 306,342.30 × 91,913.60
  4. Step 4: Simplify right side
    204,325.40x = 28,157,023,625.28
  5. Step 5: Solve for x
    x = 28,157,023,625.28/204,325.40
  6. Step 6: Final answer
    x = 137,804.81

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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.