Home / 170,837.40-256,310.88-82,097.32

Finding the Fourth Proportional to 170,837.40, 256,310.88 and 82,097.32

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Solution

The fourth proportional to 170,837.40, 256,310.88 and 82,097.32 is: 123,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,837.40 : 256,310.88 = 82,097.32 : x
  2. Step 2: Convert to fraction form
    170,837.40/256,310.88 = 82,097.32/x
  3. Step 3: Cross multiply
    170,837.40x = 256,310.88 × 82,097.32
  4. Step 4: Simplify right side
    170,837.40x = 21,042,436,334.84
  5. Step 5: Solve for x
    x = 21,042,436,334.84/170,837.40
  6. Step 6: Final answer
    x = 123,172.30

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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.