Home / 111,440.98-167,189.14-55,307.44

Finding the Fourth Proportional to 111,440.98, 167,189.14 and 55,307.44

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Solution

The fourth proportional to 111,440.98, 167,189.14 and 55,307.44 is: 82,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,440.98 : 167,189.14 = 55,307.44 : x
  2. Step 2: Convert to fraction form
    111,440.98/167,189.14 = 55,307.44/x
  3. Step 3: Cross multiply
    111,440.98x = 167,189.14 × 55,307.44
  4. Step 4: Simplify right side
    111,440.98x = 9,246,803,329.20
  5. Step 5: Solve for x
    x = 9,246,803,329.20/111,440.98
  6. Step 6: Final answer
    x = 82,974.89

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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.