Home / 166,315.07-229,514.78-90,863.57

Finding the Fourth Proportional to 166,315.07, 229,514.78 and 90,863.57

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Solution

The fourth proportional to 166,315.07, 229,514.78 and 90,863.57 is: 125,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,315.07 : 229,514.78 = 90,863.57 : x
  2. Step 2: Convert to fraction form
    166,315.07/229,514.78 = 90,863.57/x
  3. Step 3: Cross multiply
    166,315.07x = 229,514.78 × 90,863.57
  4. Step 4: Simplify right side
    166,315.07x = 20,854,533,079.51
  5. Step 5: Solve for x
    x = 20,854,533,079.51/166,315.07
  6. Step 6: Final answer
    x = 125,391.72

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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.