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Finding the Fourth Proportional to 172,964.73, 259,425.62 and 46,614.86

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Solution

The fourth proportional to 172,964.73, 259,425.62 and 46,614.86 is: 69,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,964.73 : 259,425.62 = 46,614.86 : x
  2. Step 2: Convert to fraction form
    172,964.73/259,425.62 = 46,614.86/x
  3. Step 3: Cross multiply
    172,964.73x = 259,425.62 × 46,614.86
  4. Step 4: Simplify right side
    172,964.73x = 12,093,088,956.71
  5. Step 5: Solve for x
    x = 12,093,088,956.71/172,964.73
  6. Step 6: Final answer
    x = 69,916.50

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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.