Home / 166,406.26-229,640.24-90,955.30

Finding the Fourth Proportional to 166,406.26, 229,640.24 and 90,955.30

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Solution

The fourth proportional to 166,406.26, 229,640.24 and 90,955.30 is: 125,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,406.26 : 229,640.24 = 90,955.30 : x
  2. Step 2: Convert to fraction form
    166,406.26/229,640.24 = 90,955.30/x
  3. Step 3: Cross multiply
    166,406.26x = 229,640.24 × 90,955.30
  4. Step 4: Simplify right side
    166,406.26x = 20,886,996,921.27
  5. Step 5: Solve for x
    x = 20,886,996,921.27/166,406.26
  6. Step 6: Final answer
    x = 125,518.10

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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.