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Finding the Fourth Proportional to 171,504.84, 236,685.12 and 103,520.73

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Solution

The fourth proportional to 171,504.84, 236,685.12 and 103,520.73 is: 142,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,504.84 : 236,685.12 = 103,520.73 : x
  2. Step 2: Convert to fraction form
    171,504.84/236,685.12 = 103,520.73/x
  3. Step 3: Cross multiply
    171,504.84x = 236,685.12 × 103,520.73
  4. Step 4: Simplify right side
    171,504.84x = 24,501,816,402.54
  5. Step 5: Solve for x
    x = 24,501,816,402.54/171,504.84
  6. Step 6: Final answer
    x = 142,863.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.