Home / 136,883.08-205,331.98-43,396.12

Finding the Fourth Proportional to 136,883.08, 205,331.98 and 43,396.12

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Solution

The fourth proportional to 136,883.08, 205,331.98 and 43,396.12 is: 65,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,883.08 : 205,331.98 = 43,396.12 : x
  2. Step 2: Convert to fraction form
    136,883.08/205,331.98 = 43,396.12/x
  3. Step 3: Cross multiply
    136,883.08x = 205,331.98 × 43,396.12
  4. Step 4: Simplify right side
    136,883.08x = 8,910,611,243.92
  5. Step 5: Solve for x
    x = 8,910,611,243.92/136,883.08
  6. Step 6: Final answer
    x = 65,096.51

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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.