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Finding the Fourth Proportional to 170,142.84, 255,194.76 and 45,493.56

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Solution

The fourth proportional to 170,142.84, 255,194.76 and 45,493.56 is: 68,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,142.84 : 255,194.76 = 45,493.56 : x
  2. Step 2: Convert to fraction form
    170,142.84/255,194.76 = 45,493.56/x
  3. Step 3: Cross multiply
    170,142.84x = 255,194.76 × 45,493.56
  4. Step 4: Simplify right side
    170,142.84x = 11,609,718,125.75
  5. Step 5: Solve for x
    x = 11,609,718,125.75/170,142.84
  6. Step 6: Final answer
    x = 68,235.13

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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.