Home / 137,515.30-206,331.76-57,571.94

Finding the Fourth Proportional to 137,515.30, 206,331.76 and 57,571.94

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Solution

The fourth proportional to 137,515.30, 206,331.76 and 57,571.94 is: 86,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,515.30 : 206,331.76 = 57,571.94 : x
  2. Step 2: Convert to fraction form
    137,515.30/206,331.76 = 57,571.94/x
  3. Step 3: Cross multiply
    137,515.30x = 206,331.76 × 57,571.94
  4. Step 4: Simplify right side
    137,515.30x = 11,878,919,706.81
  5. Step 5: Solve for x
    x = 11,878,919,706.81/137,515.30
  6. Step 6: Final answer
    x = 86,382.53

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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.