Home / 166,416.72-229,654.08-90,965.76

Finding the Fourth Proportional to 166,416.72, 229,654.08 and 90,965.76

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Solution

The fourth proportional to 166,416.72, 229,654.08 and 90,965.76 is: 125,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,416.72 : 229,654.08 = 90,965.76 : x
  2. Step 2: Convert to fraction form
    166,416.72/229,654.08 = 90,965.76/x
  3. Step 3: Cross multiply
    166,416.72x = 229,654.08 × 90,965.76
  4. Step 4: Simplify right side
    166,416.72x = 20,890,657,924.30
  5. Step 5: Solve for x
    x = 20,890,657,924.30/166,416.72
  6. Step 6: Final answer
    x = 125,532.21

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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.