Home / 204,779.19-307,307.17-71,660.60

Finding the Fourth Proportional to 204,779.19, 307,307.17 and 71,660.60

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Solution

The fourth proportional to 204,779.19, 307,307.17 and 71,660.60 is: 107,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,779.19 : 307,307.17 = 71,660.60 : x
  2. Step 2: Convert to fraction form
    204,779.19/307,307.17 = 71,660.60/x
  3. Step 3: Cross multiply
    204,779.19x = 307,307.17 × 71,660.60
  4. Step 4: Simplify right side
    204,779.19x = 22,021,816,093.49
  5. Step 5: Solve for x
    x = 22,021,816,093.49/204,779.19
  6. Step 6: Final answer
    x = 107,539.33

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1.5x scale

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.