Home / 164,261.12-226,680.38-90,673.59

Finding the Fourth Proportional to 164,261.12, 226,680.38 and 90,673.59

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Solution

The fourth proportional to 164,261.12, 226,680.38 and 90,673.59 is: 125,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,261.12 : 226,680.38 = 90,673.59 : x
  2. Step 2: Convert to fraction form
    164,261.12/226,680.38 = 90,673.59/x
  3. Step 3: Cross multiply
    164,261.12x = 226,680.38 × 90,673.59
  4. Step 4: Simplify right side
    164,261.12x = 20,553,923,383.80
  5. Step 5: Solve for x
    x = 20,553,923,383.80/164,261.12
  6. Step 6: Final answer
    x = 125,129.57

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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.