Home / 166,081.39-229,192.95-90,629.89

Finding the Fourth Proportional to 166,081.39, 229,192.95 and 90,629.89

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Solution

The fourth proportional to 166,081.39, 229,192.95 and 90,629.89 is: 125,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,081.39 : 229,192.95 = 90,629.89 : x
  2. Step 2: Convert to fraction form
    166,081.39/229,192.95 = 90,629.89/x
  3. Step 3: Cross multiply
    166,081.39x = 229,192.95 × 90,629.89
  4. Step 4: Simplify right side
    166,081.39x = 20,771,731,847.28
  5. Step 5: Solve for x
    x = 20,771,731,847.28/166,081.39
  6. Step 6: Final answer
    x = 125,069.59

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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.