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Finding the Fourth Proportional to 171,168.43, 255,498.54 and 150,968.14

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Solution

The fourth proportional to 171,168.43, 255,498.54 and 150,968.14 is: 225,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,168.43 : 255,498.54 = 150,968.14 : x
  2. Step 2: Convert to fraction form
    171,168.43/255,498.54 = 150,968.14/x
  3. Step 3: Cross multiply
    171,168.43x = 255,498.54 × 150,968.14
  4. Step 4: Simplify right side
    171,168.43x = 38,572,139,675.89
  5. Step 5: Solve for x
    x = 38,572,139,675.89/171,168.43
  6. Step 6: Final answer
    x = 225,346.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.