Home / 166,861.87-230,268.02-90,379.19

Finding the Fourth Proportional to 166,861.87, 230,268.02 and 90,379.19

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Solution

The fourth proportional to 166,861.87, 230,268.02 and 90,379.19 is: 124,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,861.87 : 230,268.02 = 90,379.19 : x
  2. Step 2: Convert to fraction form
    166,861.87/230,268.02 = 90,379.19/x
  3. Step 3: Cross multiply
    166,861.87x = 230,268.02 × 90,379.19
  4. Step 4: Simplify right side
    166,861.87x = 20,811,437,254.28
  5. Step 5: Solve for x
    x = 20,811,437,254.28/166,861.87
  6. Step 6: Final answer
    x = 124,722.54

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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.