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Finding the Fourth Proportional to 168,126.84, 252,250.49 and 72,023.74

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Solution

The fourth proportional to 168,126.84, 252,250.49 and 72,023.74 is: 108,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,126.84 : 252,250.49 = 72,023.74 : x
  2. Step 2: Convert to fraction form
    168,126.84/252,250.49 = 72,023.74/x
  3. Step 3: Cross multiply
    168,126.84x = 252,250.49 × 72,023.74
  4. Step 4: Simplify right side
    168,126.84x = 18,168,022,715.89
  5. Step 5: Solve for x
    x = 18,168,022,715.89/168,126.84
  6. Step 6: Final answer
    x = 108,061.41

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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.