Home / 184,539.06-254,687.09-103,985.78

Finding the Fourth Proportional to 184,539.06, 254,687.09 and 103,985.78

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Solution

The fourth proportional to 184,539.06, 254,687.09 and 103,985.78 is: 143,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,539.06 : 254,687.09 = 103,985.78 : x
  2. Step 2: Convert to fraction form
    184,539.06/254,687.09 = 103,985.78/x
  3. Step 3: Cross multiply
    184,539.06x = 254,687.09 × 103,985.78
  4. Step 4: Simplify right side
    184,539.06x = 26,483,833,916.22
  5. Step 5: Solve for x
    x = 26,483,833,916.22/184,539.06
  6. Step 6: Final answer
    x = 143,513.43

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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.