Home / 148,964.58-223,147.68-68,890.30

Finding the Fourth Proportional to 148,964.58, 223,147.68 and 68,890.30

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Solution

The fourth proportional to 148,964.58, 223,147.68 and 68,890.30 is: 103,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,964.58 : 223,147.68 = 68,890.30 : x
  2. Step 2: Convert to fraction form
    148,964.58/223,147.68 = 68,890.30/x
  3. Step 3: Cross multiply
    148,964.58x = 223,147.68 × 68,890.30
  4. Step 4: Simplify right side
    148,964.58x = 15,372,710,619.50
  5. Step 5: Solve for x
    x = 15,372,710,619.50/148,964.58
  6. Step 6: Final answer
    x = 103,197.09

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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.