Home / 208,277.58-312,205.96-82,006.42

Finding the Fourth Proportional to 208,277.58, 312,205.96 and 82,006.42

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Solution

The fourth proportional to 208,277.58, 312,205.96 and 82,006.42 is: 122,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,277.58 : 312,205.96 = 82,006.42 : x
  2. Step 2: Convert to fraction form
    208,277.58/312,205.96 = 82,006.42/x
  3. Step 3: Cross multiply
    208,277.58x = 312,205.96 × 82,006.42
  4. Step 4: Simplify right side
    208,277.58x = 25,602,893,082.26
  5. Step 5: Solve for x
    x = 25,602,893,082.26/208,277.58
  6. Step 6: Final answer
    x = 122,926.78

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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.