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Finding the Fourth Proportional to 168,459.69, 252,679.82 and 101,881.94

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Solution

The fourth proportional to 168,459.69, 252,679.82 and 101,881.94 is: 152,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,459.69 : 252,679.82 = 101,881.94 : x
  2. Step 2: Convert to fraction form
    168,459.69/252,679.82 = 101,881.94/x
  3. Step 3: Cross multiply
    168,459.69x = 252,679.82 × 101,881.94
  4. Step 4: Simplify right side
    168,459.69x = 25,743,510,382.74
  5. Step 5: Solve for x
    x = 25,743,510,382.74/168,459.69
  6. Step 6: Final answer
    x = 152,817.04

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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.