Home / 111,047.03-166,625.10-51,886.85

Finding the Fourth Proportional to 111,047.03, 166,625.10 and 51,886.85

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Solution

The fourth proportional to 111,047.03, 166,625.10 and 51,886.85 is: 77,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,047.03 : 166,625.10 = 51,886.85 : x
  2. Step 2: Convert to fraction form
    111,047.03/166,625.10 = 51,886.85/x
  3. Step 3: Cross multiply
    111,047.03x = 166,625.10 × 51,886.85
  4. Step 4: Simplify right side
    111,047.03x = 8,645,651,986.50
  5. Step 5: Solve for x
    x = 8,645,651,986.50/111,047.03
  6. Step 6: Final answer
    x = 77,855.77

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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.