Home / 185,079.52-255,409.82-100,196.58

Finding the Fourth Proportional to 185,079.52, 255,409.82 and 100,196.58

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Solution

The fourth proportional to 185,079.52, 255,409.82 and 100,196.58 is: 138,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,079.52 : 255,409.82 = 100,196.58 : x
  2. Step 2: Convert to fraction form
    185,079.52/255,409.82 = 100,196.58/x
  3. Step 3: Cross multiply
    185,079.52x = 255,409.82 × 100,196.58
  4. Step 4: Simplify right side
    185,079.52x = 25,591,190,462.42
  5. Step 5: Solve for x
    x = 25,591,190,462.42/185,079.52
  6. Step 6: Final answer
    x = 138,271.33

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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.