Home / 148,496.80-204,926.98-80,513.60

Finding the Fourth Proportional to 148,496.80, 204,926.98 and 80,513.60

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Solution

The fourth proportional to 148,496.80, 204,926.98 and 80,513.60 is: 111,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,496.80 : 204,926.98 = 80,513.60 : x
  2. Step 2: Convert to fraction form
    148,496.80/204,926.98 = 80,513.60/x
  3. Step 3: Cross multiply
    148,496.80x = 204,926.98 × 80,513.60
  4. Step 4: Simplify right side
    148,496.80x = 16,499,408,896.93
  5. Step 5: Solve for x
    x = 16,499,408,896.93/148,496.80
  6. Step 6: Final answer
    x = 111,109.52

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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.