Home / 151,241.69-226,913.84-66,990.53

Finding the Fourth Proportional to 151,241.69, 226,913.84 and 66,990.53

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Solution

The fourth proportional to 151,241.69, 226,913.84 and 66,990.53 is: 100,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,241.69 : 226,913.84 = 66,990.53 : x
  2. Step 2: Convert to fraction form
    151,241.69/226,913.84 = 66,990.53/x
  3. Step 3: Cross multiply
    151,241.69x = 226,913.84 × 66,990.53
  4. Step 4: Simplify right side
    151,241.69x = 15,201,078,405.94
  5. Step 5: Solve for x
    x = 15,201,078,405.94/151,241.69
  6. Step 6: Final answer
    x = 100,508.52

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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.