Home / 248,815.20-373,222.80-91,156.80

Finding the Fourth Proportional to 248,815.20, 373,222.80 and 91,156.80

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Solution

The fourth proportional to 248,815.20, 373,222.80 and 91,156.80 is: 136,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,815.20 : 373,222.80 = 91,156.80 : x
  2. Step 2: Convert to fraction form
    248,815.20/373,222.80 = 91,156.80/x
  3. Step 3: Cross multiply
    248,815.20x = 373,222.80 × 91,156.80
  4. Step 4: Simplify right side
    248,815.20x = 34,021,796,135.04
  5. Step 5: Solve for x
    x = 34,021,796,135.04/248,815.20
  6. Step 6: Final answer
    x = 136,735.20

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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.