Home / 199,453.60-298,905.98-85,464.96

Finding the Fourth Proportional to 199,453.60, 298,905.98 and 85,464.96

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Solution

The fourth proportional to 199,453.60, 298,905.98 and 85,464.96 is: 128,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,453.60 : 298,905.98 = 85,464.96 : x
  2. Step 2: Convert to fraction form
    199,453.60/298,905.98 = 85,464.96/x
  3. Step 3: Cross multiply
    199,453.60x = 298,905.98 × 85,464.96
  4. Step 4: Simplify right side
    199,453.60x = 25,545,986,316.61
  5. Step 5: Solve for x
    x = 25,545,986,316.61/199,453.60
  6. Step 6: Final answer
    x = 128,079.84

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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.