Home / 123,255.40-184,623.90-102,519.40

Finding the Fourth Proportional to 123,255.40, 184,623.90 and 102,519.40

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Solution

The fourth proportional to 123,255.40, 184,623.90 and 102,519.40 is: 153,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,255.40 : 184,623.90 = 102,519.40 : x
  2. Step 2: Convert to fraction form
    123,255.40/184,623.90 = 102,519.40/x
  3. Step 3: Cross multiply
    123,255.40x = 184,623.90 × 102,519.40
  4. Step 4: Simplify right side
    123,255.40x = 18,927,531,453.66
  5. Step 5: Solve for x
    x = 18,927,531,453.66/123,255.40
  6. Step 6: Final answer
    x = 153,563.51

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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.