Home / 150,270.03-207,391.05-85,755.15

Finding the Fourth Proportional to 150,270.03, 207,391.05 and 85,755.15

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Solution

The fourth proportional to 150,270.03, 207,391.05 and 85,755.15 is: 118,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,270.03 : 207,391.05 = 85,755.15 : x
  2. Step 2: Convert to fraction form
    150,270.03/207,391.05 = 85,755.15/x
  3. Step 3: Cross multiply
    150,270.03x = 207,391.05 × 85,755.15
  4. Step 4: Simplify right side
    150,270.03x = 17,784,850,601.41
  5. Step 5: Solve for x
    x = 17,784,850,601.41/150,270.03
  6. Step 6: Final answer
    x = 118,352.61

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1.5x scale

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.