Home / 102,850.41-141,940.86-57,532.65

Finding the Fourth Proportional to 102,850.41, 141,940.86 and 57,532.65

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Solution

The fourth proportional to 102,850.41, 141,940.86 and 57,532.65 is: 79,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,850.41 : 141,940.86 = 57,532.65 : x
  2. Step 2: Convert to fraction form
    102,850.41/141,940.86 = 57,532.65/x
  3. Step 3: Cross multiply
    102,850.41x = 141,940.86 × 57,532.65
  4. Step 4: Simplify right side
    102,850.41x = 8,166,233,819.08
  5. Step 5: Solve for x
    x = 8,166,233,819.08/102,850.41
  6. Step 6: Final answer
    x = 79,399.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.