Home / 164,022.24-226,308.84-100,336.80

Finding the Fourth Proportional to 164,022.24, 226,308.84 and 100,336.80

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Solution

The fourth proportional to 164,022.24, 226,308.84 and 100,336.80 is: 138,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,022.24 : 226,308.84 = 100,336.80 : x
  2. Step 2: Convert to fraction form
    164,022.24/226,308.84 = 100,336.80/x
  3. Step 3: Cross multiply
    164,022.24x = 226,308.84 × 100,336.80
  4. Step 4: Simplify right side
    164,022.24x = 22,707,104,817.31
  5. Step 5: Solve for x
    x = 22,707,104,817.31/164,022.24
  6. Step 6: Final answer
    x = 138,439.18

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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.