Home / 166,080.39-229,191.57-90,628.89

Finding the Fourth Proportional to 166,080.39, 229,191.57 and 90,628.89

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Solution

The fourth proportional to 166,080.39, 229,191.57 and 90,628.89 is: 125,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,080.39 : 229,191.57 = 90,628.89 : x
  2. Step 2: Convert to fraction form
    166,080.39/229,191.57 = 90,628.89/x
  3. Step 3: Cross multiply
    166,080.39x = 229,191.57 × 90,628.89
  4. Step 4: Simplify right side
    166,080.39x = 20,771,377,586.46
  5. Step 5: Solve for x
    x = 20,771,377,586.46/166,080.39
  6. Step 6: Final answer
    x = 125,068.21

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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.