Home / 129,982.71-194,980.99-41,243.16

Finding the Fourth Proportional to 129,982.71, 194,980.99 and 41,243.16

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Solution

The fourth proportional to 129,982.71, 194,980.99 and 41,243.16 is: 61,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,982.71 : 194,980.99 = 41,243.16 : x
  2. Step 2: Convert to fraction form
    129,982.71/194,980.99 = 41,243.16/x
  3. Step 3: Cross multiply
    129,982.71x = 194,980.99 × 41,243.16
  4. Step 4: Simplify right side
    129,982.71x = 8,041,632,167.53
  5. Step 5: Solve for x
    x = 8,041,632,167.53/129,982.71
  6. Step 6: Final answer
    x = 61,866.94

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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.