Home / 164,378.26-226,839.78-91,782.28

Finding the Fourth Proportional to 164,378.26, 226,839.78 and 91,782.28

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Solution

The fourth proportional to 164,378.26, 226,839.78 and 91,782.28 is: 126,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,378.26 : 226,839.78 = 91,782.28 : x
  2. Step 2: Convert to fraction form
    164,378.26/226,839.78 = 91,782.28/x
  3. Step 3: Cross multiply
    164,378.26x = 226,839.78 × 91,782.28
  4. Step 4: Simplify right side
    164,378.26x = 20,819,872,203.10
  5. Step 5: Solve for x
    x = 20,819,872,203.10/164,378.26
  6. Step 6: Final answer
    x = 126,658.31

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1.5x scale

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.