Home / 151,171.88-226,617.90-66,887.36

Finding the Fourth Proportional to 151,171.88, 226,617.90 and 66,887.36

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Solution

The fourth proportional to 151,171.88, 226,617.90 and 66,887.36 is: 100,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,171.88 : 226,617.90 = 66,887.36 : x
  2. Step 2: Convert to fraction form
    151,171.88/226,617.90 = 66,887.36/x
  3. Step 3: Cross multiply
    151,171.88x = 226,617.90 × 66,887.36
  4. Step 4: Simplify right side
    151,171.88x = 15,157,873,059.74
  5. Step 5: Solve for x
    x = 15,157,873,059.74/151,171.88
  6. Step 6: Final answer
    x = 100,269.13

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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.