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Finding the Fourth Proportional to 170,735.11, 256,115.12 and 65,554.11

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Solution

The fourth proportional to 170,735.11, 256,115.12 and 65,554.11 is: 98,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,735.11 : 256,115.12 = 65,554.11 : x
  2. Step 2: Convert to fraction form
    170,735.11/256,115.12 = 65,554.11/x
  3. Step 3: Cross multiply
    170,735.11x = 256,115.12 × 65,554.11
  4. Step 4: Simplify right side
    170,735.11x = 16,789,398,421.37
  5. Step 5: Solve for x
    x = 16,789,398,421.37/170,735.11
  6. Step 6: Final answer
    x = 98,335.95

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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.