Home / 166,771.73-230,143.29-90,288.79

Finding the Fourth Proportional to 166,771.73, 230,143.29 and 90,288.79

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Solution

The fourth proportional to 166,771.73, 230,143.29 and 90,288.79 is: 124,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,771.73 : 230,143.29 = 90,288.79 : x
  2. Step 2: Convert to fraction form
    166,771.73/230,143.29 = 90,288.79/x
  3. Step 3: Cross multiply
    166,771.73x = 230,143.29 × 90,288.79
  4. Step 4: Simplify right side
    166,771.73x = 20,779,360,069.21
  5. Step 5: Solve for x
    x = 20,779,360,069.21/166,771.73
  6. Step 6: Final answer
    x = 124,597.62

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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.