Home / 219,455.23-302,872.86-123,968.07

Finding the Fourth Proportional to 219,455.23, 302,872.86 and 123,968.07

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Solution

The fourth proportional to 219,455.23, 302,872.86 and 123,968.07 is: 171,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,455.23 : 302,872.86 = 123,968.07 : x
  2. Step 2: Convert to fraction form
    219,455.23/302,872.86 = 123,968.07/x
  3. Step 3: Cross multiply
    219,455.23x = 302,872.86 × 123,968.07
  4. Step 4: Simplify right side
    219,455.23x = 37,546,562,395.22
  5. Step 5: Solve for x
    x = 37,546,562,395.22/219,455.23
  6. Step 6: Final answer
    x = 171,089.85

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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.