Home / 115,319.98-173,003.31-48,760

Finding the Fourth Proportional to 115,319.98, 173,003.31 and 48,760

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Solution

The fourth proportional to 115,319.98, 173,003.31 and 48,760 is: 73,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,319.98 : 173,003.31 = 48,760 : x
  2. Step 2: Convert to fraction form
    115,319.98/173,003.31 = 48,760/x
  3. Step 3: Cross multiply
    115,319.98x = 173,003.31 × 48,760
  4. Step 4: Simplify right side
    115,319.98x = 8,435,641,395.60
  5. Step 5: Solve for x
    x = 8,435,641,395.60/115,319.98
  6. Step 6: Final answer
    x = 73,149.87

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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.