Home / 166,126.28-229,253.46-90,674.60

Finding the Fourth Proportional to 166,126.28, 229,253.46 and 90,674.60

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Solution

The fourth proportional to 166,126.28, 229,253.46 and 90,674.60 is: 125,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,126.28 : 229,253.46 = 90,674.60 : x
  2. Step 2: Convert to fraction form
    166,126.28/229,253.46 = 90,674.60/x
  3. Step 3: Cross multiply
    166,126.28x = 229,253.46 × 90,674.60
  4. Step 4: Simplify right side
    166,126.28x = 20,787,465,784.12
  5. Step 5: Solve for x
    x = 20,787,465,784.12/166,126.28
  6. Step 6: Final answer
    x = 125,130.51

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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.