Home / 115,910.20-173,897.70-56,747.80

Finding the Fourth Proportional to 115,910.20, 173,897.70 and 56,747.80

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Solution

The fourth proportional to 115,910.20, 173,897.70 and 56,747.80 is: 85,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910.20 : 173,897.70 = 56,747.80 : x
  2. Step 2: Convert to fraction form
    115,910.20/173,897.70 = 56,747.80/x
  3. Step 3: Cross multiply
    115,910.20x = 173,897.70 × 56,747.80
  4. Step 4: Simplify right side
    115,910.20x = 9,868,311,900.06
  5. Step 5: Solve for x
    x = 9,868,311,900.06/115,910.20
  6. Step 6: Final answer
    x = 85,137.56

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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.