Home / 166,073.08-229,186.40-90,625.72

Finding the Fourth Proportional to 166,073.08, 229,186.40 and 90,625.72

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Solution

The fourth proportional to 166,073.08, 229,186.40 and 90,625.72 is: 125,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,073.08 : 229,186.40 = 90,625.72 : x
  2. Step 2: Convert to fraction form
    166,073.08/229,186.40 = 90,625.72/x
  3. Step 3: Cross multiply
    166,073.08x = 229,186.40 × 90,625.72
  4. Step 4: Simplify right side
    166,073.08x = 20,770,182,514.21
  5. Step 5: Solve for x
    x = 20,770,182,514.21/166,073.08
  6. Step 6: Final answer
    x = 125,066.52

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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.