Home / 436,108.12-654,162.36-136,611.97

Finding the Fourth Proportional to 436,108.12, 654,162.36 and 136,611.97

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Solution

The fourth proportional to 436,108.12, 654,162.36 and 136,611.97 is: 204,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,108.12 : 654,162.36 = 136,611.97 : x
  2. Step 2: Convert to fraction form
    436,108.12/654,162.36 = 136,611.97/x
  3. Step 3: Cross multiply
    436,108.12x = 654,162.36 × 136,611.97
  4. Step 4: Simplify right side
    436,108.12x = 89,366,410,231.41
  5. Step 5: Solve for x
    x = 89,366,410,231.41/436,108.12
  6. Step 6: Final answer
    x = 204,918.01

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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.