Home / 148,292.12-204,642.82-80,308.88

Finding the Fourth Proportional to 148,292.12, 204,642.82 and 80,308.88

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Solution

The fourth proportional to 148,292.12, 204,642.82 and 80,308.88 is: 110,826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,292.12 : 204,642.82 = 80,308.88 : x
  2. Step 2: Convert to fraction form
    148,292.12/204,642.82 = 80,308.88/x
  3. Step 3: Cross multiply
    148,292.12x = 204,642.82 × 80,308.88
  4. Step 4: Simplify right side
    148,292.12x = 16,434,635,674.24
  5. Step 5: Solve for x
    x = 16,434,635,674.24/148,292.12
  6. Step 6: Final answer
    x = 110,826.09

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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.