Home / 151,190.45-226,836.92-66,938.99

Finding the Fourth Proportional to 151,190.45, 226,836.92 and 66,938.99

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Solution

The fourth proportional to 151,190.45, 226,836.92 and 66,938.99 is: 100,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,190.45 : 226,836.92 = 66,938.99 : x
  2. Step 2: Convert to fraction form
    151,190.45/226,836.92 = 66,938.99/x
  3. Step 3: Cross multiply
    151,190.45x = 226,836.92 × 66,938.99
  4. Step 4: Simplify right side
    151,190.45x = 15,184,234,319.51
  5. Step 5: Solve for x
    x = 15,184,234,319.51/151,190.45
  6. Step 6: Final answer
    x = 100,431.17

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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.