Home / 166,771.56-230,144.82-90,290.65

Finding the Fourth Proportional to 166,771.56, 230,144.82 and 90,290.65

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Solution

The fourth proportional to 166,771.56, 230,144.82 and 90,290.65 is: 124,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,771.56 : 230,144.82 = 90,290.65 : x
  2. Step 2: Convert to fraction form
    166,771.56/230,144.82 = 90,290.65/x
  3. Step 3: Cross multiply
    166,771.56x = 230,144.82 × 90,290.65
  4. Step 4: Simplify right side
    166,771.56x = 20,779,925,391.93
  5. Step 5: Solve for x
    x = 20,779,925,391.93/166,771.56
  6. Step 6: Final answer
    x = 124,601.13

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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.