Home / 197,759.14-296,638.53-79,430.50

Finding the Fourth Proportional to 197,759.14, 296,638.53 and 79,430.50

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Solution

The fourth proportional to 197,759.14, 296,638.53 and 79,430.50 is: 119,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,759.14 : 296,638.53 = 79,430.50 : x
  2. Step 2: Convert to fraction form
    197,759.14/296,638.53 = 79,430.50/x
  3. Step 3: Cross multiply
    197,759.14x = 296,638.53 × 79,430.50
  4. Step 4: Simplify right side
    197,759.14x = 23,562,146,757.17
  5. Step 5: Solve for x
    x = 23,562,146,757.17/197,759.14
  6. Step 6: Final answer
    x = 119,145.68

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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.