Home / 184,921.30-255,198.63-108,429.76

Finding the Fourth Proportional to 184,921.30, 255,198.63 and 108,429.76

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Solution

The fourth proportional to 184,921.30, 255,198.63 and 108,429.76 is: 149,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,921.30 : 255,198.63 = 108,429.76 : x
  2. Step 2: Convert to fraction form
    184,921.30/255,198.63 = 108,429.76/x
  3. Step 3: Cross multiply
    184,921.30x = 255,198.63 × 108,429.76
  4. Step 4: Simplify right side
    184,921.30x = 27,671,126,203.23
  5. Step 5: Solve for x
    x = 27,671,126,203.23/184,921.30
  6. Step 6: Final answer
    x = 149,637.31

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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.