Home / 115,910.55-173,782.80-44,772.30

Finding the Fourth Proportional to 115,910.55, 173,782.80 and 44,772.30

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Solution

The fourth proportional to 115,910.55, 173,782.80 and 44,772.30 is: 67,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910.55 : 173,782.80 = 44,772.30 : x
  2. Step 2: Convert to fraction form
    115,910.55/173,782.80 = 44,772.30/x
  3. Step 3: Cross multiply
    115,910.55x = 173,782.80 × 44,772.30
  4. Step 4: Simplify right side
    115,910.55x = 7,780,655,656.44
  5. Step 5: Solve for x
    x = 7,780,655,656.44/115,910.55
  6. Step 6: Final answer
    x = 67,126.38

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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.