Home / 123,426.36-184,999.56-56,728.68

Finding the Fourth Proportional to 123,426.36, 184,999.56 and 56,728.68

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Solution

The fourth proportional to 123,426.36, 184,999.56 and 56,728.68 is: 85,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426.36 : 184,999.56 = 56,728.68 : x
  2. Step 2: Convert to fraction form
    123,426.36/184,999.56 = 56,728.68/x
  3. Step 3: Cross multiply
    123,426.36x = 184,999.56 × 56,728.68
  4. Step 4: Simplify right side
    123,426.36x = 10,494,780,839.38
  5. Step 5: Solve for x
    x = 10,494,780,839.38/123,426.36
  6. Step 6: Final answer
    x = 85,028.68

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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.