Home / 184,985.25-255,279.87-100,102.32

Finding the Fourth Proportional to 184,985.25, 255,279.87 and 100,102.32

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Solution

The fourth proportional to 184,985.25, 255,279.87 and 100,102.32 is: 138,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,985.25 : 255,279.87 = 100,102.32 : x
  2. Step 2: Convert to fraction form
    184,985.25/255,279.87 = 100,102.32/x
  3. Step 3: Cross multiply
    184,985.25x = 255,279.87 × 100,102.32
  4. Step 4: Simplify right side
    184,985.25x = 25,554,107,236.30
  5. Step 5: Solve for x
    x = 25,554,107,236.30/184,985.25
  6. Step 6: Final answer
    x = 138,141.32

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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.