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Finding the Fourth Proportional to 166,008.96, 229,092.48 and 90,561.60

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Solution

The fourth proportional to 166,008.96, 229,092.48 and 90,561.60 is: 124,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,008.96 : 229,092.48 = 90,561.60 : x
  2. Step 2: Convert to fraction form
    166,008.96/229,092.48 = 90,561.60/x
  3. Step 3: Cross multiply
    166,008.96x = 229,092.48 × 90,561.60
  4. Step 4: Simplify right side
    166,008.96x = 20,746,981,536.77
  5. Step 5: Solve for x
    x = 20,746,981,536.77/166,008.96
  6. Step 6: Final answer
    x = 124,975.07

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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.