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Finding the Fourth Proportional to 184,913, 255,179.68 and 100,029.88

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Solution

The fourth proportional to 184,913, 255,179.68 and 100,029.88 is: 138,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,913 : 255,179.68 = 100,029.88 : x
  2. Step 2: Convert to fraction form
    184,913/255,179.68 = 100,029.88/x
  3. Step 3: Cross multiply
    184,913x = 255,179.68 × 100,029.88
  4. Step 4: Simplify right side
    184,913x = 25,525,592,768.84
  5. Step 5: Solve for x
    x = 25,525,592,768.84/184,913
  6. Step 6: Final answer
    x = 138,041.09

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1.5x scale

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.