Home / 131,431.71-197,006.78-93,877.89

Finding the Fourth Proportional to 131,431.71, 197,006.78 and 93,877.89

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Solution

The fourth proportional to 131,431.71, 197,006.78 and 93,877.89 is: 140,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,431.71 : 197,006.78 = 93,877.89 : x
  2. Step 2: Convert to fraction form
    131,431.71/197,006.78 = 93,877.89/x
  3. Step 3: Cross multiply
    131,431.71x = 197,006.78 × 93,877.89
  4. Step 4: Simplify right side
    131,431.71x = 18,494,580,318.01
  5. Step 5: Solve for x
    x = 18,494,580,318.01/131,431.71
  6. Step 6: Final answer
    x = 140,716.27

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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.