Home / 166,065.12-229,168.98-90,613.62

Finding the Fourth Proportional to 166,065.12, 229,168.98 and 90,613.62

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Solution

The fourth proportional to 166,065.12, 229,168.98 and 90,613.62 is: 125,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,065.12 : 229,168.98 = 90,613.62 : x
  2. Step 2: Convert to fraction form
    166,065.12/229,168.98 = 90,613.62/x
  3. Step 3: Cross multiply
    166,065.12x = 229,168.98 × 90,613.62
  4. Step 4: Simplify right side
    166,065.12x = 20,765,830,869.51
  5. Step 5: Solve for x
    x = 20,765,830,869.51/166,065.12
  6. Step 6: Final answer
    x = 125,046.31

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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.