Home / 219,455.03-302,872.60-123,967.88

Finding the Fourth Proportional to 219,455.03, 302,872.60 and 123,967.88

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Solution

The fourth proportional to 219,455.03, 302,872.60 and 123,967.88 is: 171,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,455.03 : 302,872.60 = 123,967.88 : x
  2. Step 2: Convert to fraction form
    219,455.03/302,872.60 = 123,967.88/x
  3. Step 3: Cross multiply
    219,455.03x = 302,872.60 × 123,967.88
  4. Step 4: Simplify right side
    219,455.03x = 37,546,474,132.09
  5. Step 5: Solve for x
    x = 37,546,474,132.09/219,455.03
  6. Step 6: Final answer
    x = 171,089.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.