Home / 170,983.00-256,336.14-71,218.14

Finding the Fourth Proportional to 170,983.00, 256,336.14 and 71,218.14

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Solution

The fourth proportional to 170,983.00, 256,336.14 and 71,218.14 is: 106,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,983.00 : 256,336.14 = 71,218.14 : x
  2. Step 2: Convert to fraction form
    170,983.00/256,336.14 = 71,218.14/x
  3. Step 3: Cross multiply
    170,983.00x = 256,336.14 × 71,218.14
  4. Step 4: Simplify right side
    170,983.00x = 18,255,782,411.39
  5. Step 5: Solve for x
    x = 18,255,782,411.39/170,983.00
  6. Step 6: Final answer
    x = 106,769.58

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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.