Home / 195,938.50-294,038.68-71,279.50

Finding the Fourth Proportional to 195,938.50, 294,038.68 and 71,279.50

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Solution

The fourth proportional to 195,938.50, 294,038.68 and 71,279.50 is: 106,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,938.50 : 294,038.68 = 71,279.50 : x
  2. Step 2: Convert to fraction form
    195,938.50/294,038.68 = 71,279.50/x
  3. Step 3: Cross multiply
    195,938.50x = 294,038.68 × 71,279.50
  4. Step 4: Simplify right side
    195,938.50x = 20,958,930,091.06
  5. Step 5: Solve for x
    x = 20,958,930,091.06/195,938.50
  6. Step 6: Final answer
    x = 106,966.88

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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.