Home / 166,072.67-229,180.15-90,621.17

Finding the Fourth Proportional to 166,072.67, 229,180.15 and 90,621.17

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Solution

The fourth proportional to 166,072.67, 229,180.15 and 90,621.17 is: 125,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,072.67 : 229,180.15 = 90,621.17 : x
  2. Step 2: Convert to fraction form
    166,072.67/229,180.15 = 90,621.17/x
  3. Step 3: Cross multiply
    166,072.67x = 229,180.15 × 90,621.17
  4. Step 4: Simplify right side
    166,072.67x = 20,768,573,333.78
  5. Step 5: Solve for x
    x = 20,768,573,333.78/166,072.67
  6. Step 6: Final answer
    x = 125,057.14

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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.