Home / 150,137.34-207,188.44-82,153.02

Finding the Fourth Proportional to 150,137.34, 207,188.44 and 82,153.02

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Solution

The fourth proportional to 150,137.34, 207,188.44 and 82,153.02 is: 113,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,137.34 : 207,188.44 = 82,153.02 : x
  2. Step 2: Convert to fraction form
    150,137.34/207,188.44 = 82,153.02/x
  3. Step 3: Cross multiply
    150,137.34x = 207,188.44 × 82,153.02
  4. Step 4: Simplify right side
    150,137.34x = 17,021,156,055.09
  5. Step 5: Solve for x
    x = 17,021,156,055.09/150,137.34
  6. Step 6: Final answer
    x = 113,370.57

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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.