Home / 161,611.03-242,086.06-131,731.75

Finding the Fourth Proportional to 161,611.03, 242,086.06 and 131,731.75

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Solution

The fourth proportional to 161,611.03, 242,086.06 and 131,731.75 is: 197,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,611.03 : 242,086.06 = 131,731.75 : x
  2. Step 2: Convert to fraction form
    161,611.03/242,086.06 = 131,731.75/x
  3. Step 3: Cross multiply
    161,611.03x = 242,086.06 × 131,731.75
  4. Step 4: Simplify right side
    161,611.03x = 31,890,420,334.41
  5. Step 5: Solve for x
    x = 31,890,420,334.41/161,611.03
  6. Step 6: Final answer
    x = 197,328.24

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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.