Home / 166,810.43-230,198.85-90,330.42

Finding the Fourth Proportional to 166,810.43, 230,198.85 and 90,330.42

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Solution

The fourth proportional to 166,810.43, 230,198.85 and 90,330.42 is: 124,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,810.43 : 230,198.85 = 90,330.42 : x
  2. Step 2: Convert to fraction form
    166,810.43/230,198.85 = 90,330.42/x
  3. Step 3: Cross multiply
    166,810.43x = 230,198.85 × 90,330.42
  4. Step 4: Simplify right side
    166,810.43x = 20,793,958,804.02
  5. Step 5: Solve for x
    x = 20,793,958,804.02/166,810.43
  6. Step 6: Final answer
    x = 124,656.23

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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.