Home / 248,048.10-372,158.55-107,907.30

Finding the Fourth Proportional to 248,048.10, 372,158.55 and 107,907.30

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Solution

The fourth proportional to 248,048.10, 372,158.55 and 107,907.30 is: 161,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,048.10 : 372,158.55 = 107,907.30 : x
  2. Step 2: Convert to fraction form
    248,048.10/372,158.55 = 107,907.30/x
  3. Step 3: Cross multiply
    248,048.10x = 372,158.55 × 107,907.30
  4. Step 4: Simplify right side
    248,048.10x = 40,158,624,302.42
  5. Step 5: Solve for x
    x = 40,158,624,302.42/248,048.10
  6. Step 6: Final answer
    x = 161,898.54

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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.