Home / 161,731.96-242,589.30-43,401.40

Finding the Fourth Proportional to 161,731.96, 242,589.30 and 43,401.40

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Solution

The fourth proportional to 161,731.96, 242,589.30 and 43,401.40 is: 65,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,731.96 : 242,589.30 = 43,401.40 : x
  2. Step 2: Convert to fraction form
    161,731.96/242,589.30 = 43,401.40/x
  3. Step 3: Cross multiply
    161,731.96x = 242,589.30 × 43,401.40
  4. Step 4: Simplify right side
    161,731.96x = 10,528,715,245.02
  5. Step 5: Solve for x
    x = 10,528,715,245.02/161,731.96
  6. Step 6: Final answer
    x = 65,099.78

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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.