Home / 166,043.30-229,139.60-90,591.80

Finding the Fourth Proportional to 166,043.30, 229,139.60 and 90,591.80

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Solution

The fourth proportional to 166,043.30, 229,139.60 and 90,591.80 is: 125,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,043.30 : 229,139.60 = 90,591.80 : x
  2. Step 2: Convert to fraction form
    166,043.30/229,139.60 = 90,591.80/x
  3. Step 3: Cross multiply
    166,043.30x = 229,139.60 × 90,591.80
  4. Step 4: Simplify right side
    166,043.30x = 20,758,168,815.28
  5. Step 5: Solve for x
    x = 20,758,168,815.28/166,043.30
  6. Step 6: Final answer
    x = 125,016.60

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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.