Home / 150,115.34-225,172.82-71,186.52

Finding the Fourth Proportional to 150,115.34, 225,172.82 and 71,186.52

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Solution

The fourth proportional to 150,115.34, 225,172.82 and 71,186.52 is: 106,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,115.34 : 225,172.82 = 71,186.52 : x
  2. Step 2: Convert to fraction form
    150,115.34/225,172.82 = 71,186.52/x
  3. Step 3: Cross multiply
    150,115.34x = 225,172.82 × 71,186.52
  4. Step 4: Simplify right side
    150,115.34x = 16,029,269,454.39
  5. Step 5: Solve for x
    x = 16,029,269,454.39/150,115.34
  6. Step 6: Final answer
    x = 106,779.69

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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.