Home / 166,407.71-229,642.76-90,956.21

Finding the Fourth Proportional to 166,407.71, 229,642.76 and 90,956.21

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Solution

The fourth proportional to 166,407.71, 229,642.76 and 90,956.21 is: 125,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,407.71 : 229,642.76 = 90,956.21 : x
  2. Step 2: Convert to fraction form
    166,407.71/229,642.76 = 90,956.21/x
  3. Step 3: Cross multiply
    166,407.71x = 229,642.76 × 90,956.21
  4. Step 4: Simplify right side
    166,407.71x = 20,887,435,103.54
  5. Step 5: Solve for x
    x = 20,887,435,103.54/166,407.71
  6. Step 6: Final answer
    x = 125,519.64

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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.