Home / 129,815.80-194,774.90-50,916.60

Finding the Fourth Proportional to 129,815.80, 194,774.90 and 50,916.60

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Solution

The fourth proportional to 129,815.80, 194,774.90 and 50,916.60 is: 76,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,815.80 : 194,774.90 = 50,916.60 : x
  2. Step 2: Convert to fraction form
    129,815.80/194,774.90 = 50,916.60/x
  3. Step 3: Cross multiply
    129,815.80x = 194,774.90 × 50,916.60
  4. Step 4: Simplify right side
    129,815.80x = 9,917,275,673.34
  5. Step 5: Solve for x
    x = 9,917,275,673.34/129,815.80
  6. Step 6: Final answer
    x = 76,394.98

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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.