Home / 109,918.88-151,632.24-69,564.64

Finding the Fourth Proportional to 109,918.88, 151,632.24 and 69,564.64

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Solution

The fourth proportional to 109,918.88, 151,632.24 and 69,564.64 is: 95,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,918.88 : 151,632.24 = 69,564.64 : x
  2. Step 2: Convert to fraction form
    109,918.88/151,632.24 = 69,564.64/x
  3. Step 3: Cross multiply
    109,918.88x = 151,632.24 × 69,564.64
  4. Step 4: Simplify right side
    109,918.88x = 10,548,242,187.99
  5. Step 5: Solve for x
    x = 10,548,242,187.99/109,918.88
  6. Step 6: Final answer
    x = 95,963.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.