Home / 166,093.71-229,209.26-90,642.21

Finding the Fourth Proportional to 166,093.71, 229,209.26 and 90,642.21

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Solution

The fourth proportional to 166,093.71, 229,209.26 and 90,642.21 is: 125,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,093.71 : 229,209.26 = 90,642.21 : x
  2. Step 2: Convert to fraction form
    166,093.71/229,209.26 = 90,642.21/x
  3. Step 3: Cross multiply
    166,093.71x = 229,209.26 × 90,642.21
  4. Step 4: Simplify right side
    166,093.71x = 20,776,033,878.86
  5. Step 5: Solve for x
    x = 20,776,033,878.86/166,093.71
  6. Step 6: Final answer
    x = 125,086.22

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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.