Home / 137,556.48-206,353.08-54,431.04

Finding the Fourth Proportional to 137,556.48, 206,353.08 and 54,431.04

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Solution

The fourth proportional to 137,556.48, 206,353.08 and 54,431.04 is: 81,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,556.48 : 206,353.08 = 54,431.04 : x
  2. Step 2: Convert to fraction form
    137,556.48/206,353.08 = 54,431.04/x
  3. Step 3: Cross multiply
    137,556.48x = 206,353.08 × 54,431.04
  4. Step 4: Simplify right side
    137,556.48x = 11,232,012,751.60
  5. Step 5: Solve for x
    x = 11,232,012,751.60/137,556.48
  6. Step 6: Final answer
    x = 81,653.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.