Home / 171,132.16-256,588.88-82,208.74

Finding the Fourth Proportional to 171,132.16, 256,588.88 and 82,208.74

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Solution

The fourth proportional to 171,132.16, 256,588.88 and 82,208.74 is: 123,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,132.16 : 256,588.88 = 82,208.74 : x
  2. Step 2: Convert to fraction form
    171,132.16/256,588.88 = 82,208.74/x
  3. Step 3: Cross multiply
    171,132.16x = 256,588.88 × 82,208.74
  4. Step 4: Simplify right side
    171,132.16x = 21,093,848,522.81
  5. Step 5: Solve for x
    x = 21,093,848,522.81/171,132.16
  6. Step 6: Final answer
    x = 123,260.58

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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.