Home / 275,125.67-412,636.03-85,588.37

Finding the Fourth Proportional to 275,125.67, 412,636.03 and 85,588.37

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Solution

The fourth proportional to 275,125.67, 412,636.03 and 85,588.37 is: 128,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,125.67 : 412,636.03 = 85,588.37 : x
  2. Step 2: Convert to fraction form
    275,125.67/412,636.03 = 85,588.37/x
  3. Step 3: Cross multiply
    275,125.67x = 412,636.03 × 85,588.37
  4. Step 4: Simplify right side
    275,125.67x = 35,316,846,219.32
  5. Step 5: Solve for x
    x = 35,316,846,219.32/275,125.67
  6. Step 6: Final answer
    x = 128,366.24

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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.