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Finding the Fourth Proportional to 172,010.44, 257,752.54 and 72,116.11

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Solution

The fourth proportional to 172,010.44, 257,752.54 and 72,116.11 is: 108,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,010.44 : 257,752.54 = 72,116.11 : x
  2. Step 2: Convert to fraction form
    172,010.44/257,752.54 = 72,116.11/x
  3. Step 3: Cross multiply
    172,010.44x = 257,752.54 × 72,116.11
  4. Step 4: Simplify right side
    172,010.44x = 18,588,110,527.42
  5. Step 5: Solve for x
    x = 18,588,110,527.42/172,010.44
  6. Step 6: Final answer
    x = 108,063.85

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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.