Home / 185,459.89-255,934.79-100,576.95

Finding the Fourth Proportional to 185,459.89, 255,934.79 and 100,576.95

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Solution

The fourth proportional to 185,459.89, 255,934.79 and 100,576.95 is: 138,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,459.89 : 255,934.79 = 100,576.95 : x
  2. Step 2: Convert to fraction form
    185,459.89/255,934.79 = 100,576.95/x
  3. Step 3: Cross multiply
    185,459.89x = 255,934.79 × 100,576.95
  4. Step 4: Simplify right side
    185,459.89x = 25,741,140,074.21
  5. Step 5: Solve for x
    x = 25,741,140,074.21/185,459.89
  6. Step 6: Final answer
    x = 138,796.27

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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.