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Finding the Fourth Proportional to 172,659.09, 259,010.51 and 48,000.09

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Solution

The fourth proportional to 172,659.09, 259,010.51 and 48,000.09 is: 72,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,659.09 : 259,010.51 = 48,000.09 : x
  2. Step 2: Convert to fraction form
    172,659.09/259,010.51 = 48,000.09/x
  3. Step 3: Cross multiply
    172,659.09x = 259,010.51 × 48,000.09
  4. Step 4: Simplify right side
    172,659.09x = 12,432,527,550.95
  5. Step 5: Solve for x
    x = 12,432,527,550.95/172,659.09
  6. Step 6: Final answer
    x = 72,006.21

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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.