Home / 129,678.03-194,461.97-50,779.71

Finding the Fourth Proportional to 129,678.03, 194,461.97 and 50,779.71

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Solution

The fourth proportional to 129,678.03, 194,461.97 and 50,779.71 is: 76,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,678.03 : 194,461.97 = 50,779.71 : x
  2. Step 2: Convert to fraction form
    129,678.03/194,461.97 = 50,779.71/x
  3. Step 3: Cross multiply
    129,678.03x = 194,461.97 × 50,779.71
  4. Step 4: Simplify right side
    129,678.03x = 9,874,722,188.73
  5. Step 5: Solve for x
    x = 9,874,722,188.73/129,678.03
  6. Step 6: Final answer
    x = 76,148.00

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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.