Home / 166,125.28-229,252.08-90,673.60

Finding the Fourth Proportional to 166,125.28, 229,252.08 and 90,673.60

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Solution

The fourth proportional to 166,125.28, 229,252.08 and 90,673.60 is: 125,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,125.28 : 229,252.08 = 90,673.60 : x
  2. Step 2: Convert to fraction form
    166,125.28/229,252.08 = 90,673.60/x
  3. Step 3: Cross multiply
    166,125.28x = 229,252.08 × 90,673.60
  4. Step 4: Simplify right side
    166,125.28x = 20,787,111,401.09
  5. Step 5: Solve for x
    x = 20,787,111,401.09/166,125.28
  6. Step 6: Final answer
    x = 125,129.13

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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.