Home / 140,845.43-194,402.63-87,099.03

Finding the Fourth Proportional to 140,845.43, 194,402.63 and 87,099.03

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Solution

The fourth proportional to 140,845.43, 194,402.63 and 87,099.03 is: 120,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,845.43 : 194,402.63 = 87,099.03 : x
  2. Step 2: Convert to fraction form
    140,845.43/194,402.63 = 87,099.03/x
  3. Step 3: Cross multiply
    140,845.43x = 194,402.63 × 87,099.03
  4. Step 4: Simplify right side
    140,845.43x = 16,932,280,720.20
  5. Step 5: Solve for x
    x = 16,932,280,720.20/140,845.43
  6. Step 6: Final answer
    x = 120,218.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.