Home / 166,093.59-229,209.08-90,642.09

Finding the Fourth Proportional to 166,093.59, 229,209.08 and 90,642.09

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Solution

The fourth proportional to 166,093.59, 229,209.08 and 90,642.09 is: 125,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,093.59 : 229,209.08 = 90,642.09 : x
  2. Step 2: Convert to fraction form
    166,093.59/229,209.08 = 90,642.09/x
  3. Step 3: Cross multiply
    166,093.59x = 229,209.08 × 90,642.09
  4. Step 4: Simplify right side
    166,093.59x = 20,775,990,058.18
  5. Step 5: Solve for x
    x = 20,775,990,058.18/166,093.59
  6. Step 6: Final answer
    x = 125,086.04

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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.