Home / 166,064.16-229,166.64-90,613.92

Finding the Fourth Proportional to 166,064.16, 229,166.64 and 90,613.92

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Solution

The fourth proportional to 166,064.16, 229,166.64 and 90,613.92 is: 125,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,064.16 : 229,166.64 = 90,613.92 : x
  2. Step 2: Convert to fraction form
    166,064.16/229,166.64 = 90,613.92/x
  3. Step 3: Cross multiply
    166,064.16x = 229,166.64 × 90,613.92
  4. Step 4: Simplify right side
    166,064.16x = 20,765,687,583.63
  5. Step 5: Solve for x
    x = 20,765,687,583.63/166,064.16
  6. Step 6: Final answer
    x = 125,046.17

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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.