Home / 185,087.52-255,420.86-100,204.56

Finding the Fourth Proportional to 185,087.52, 255,420.86 and 100,204.56

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Solution

The fourth proportional to 185,087.52, 255,420.86 and 100,204.56 is: 138,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,087.52 : 255,420.86 = 100,204.56 : x
  2. Step 2: Convert to fraction form
    185,087.52/255,420.86 = 100,204.56/x
  3. Step 3: Cross multiply
    185,087.52x = 255,420.86 × 100,204.56
  4. Step 4: Simplify right side
    185,087.52x = 25,594,334,390.10
  5. Step 5: Solve for x
    x = 25,594,334,390.10/185,087.52
  6. Step 6: Final answer
    x = 138,282.33

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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.