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Finding the Fourth Proportional to 170,227.76, 255,300.64 and 75,405.56

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Solution

The fourth proportional to 170,227.76, 255,300.64 and 75,405.56 is: 113,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,227.76 : 255,300.64 = 75,405.56 : x
  2. Step 2: Convert to fraction form
    170,227.76/255,300.64 = 75,405.56/x
  3. Step 3: Cross multiply
    170,227.76x = 255,300.64 × 75,405.56
  4. Step 4: Simplify right side
    170,227.76x = 19,251,087,727.56
  5. Step 5: Solve for x
    x = 19,251,087,727.56/170,227.76
  6. Step 6: Final answer
    x = 113,090.18

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1.5x scale

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.