Home / 166,771.53-230,144.78-90,290.62

Finding the Fourth Proportional to 166,771.53, 230,144.78 and 90,290.62

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Solution

The fourth proportional to 166,771.53, 230,144.78 and 90,290.62 is: 124,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,771.53 : 230,144.78 = 90,290.62 : x
  2. Step 2: Convert to fraction form
    166,771.53/230,144.78 = 90,290.62/x
  3. Step 3: Cross multiply
    166,771.53x = 230,144.78 × 90,290.62
  4. Step 4: Simplify right side
    166,771.53x = 20,779,914,875.96
  5. Step 5: Solve for x
    x = 20,779,914,875.96/166,771.53
  6. Step 6: Final answer
    x = 124,601.09

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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.