Home / 166,012.31-229,171.20-112,459.97

Finding the Fourth Proportional to 166,012.31, 229,171.20 and 112,459.97

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Solution

The fourth proportional to 166,012.31, 229,171.20 and 112,459.97 is: 155,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,012.31 : 229,171.20 = 112,459.97 : x
  2. Step 2: Convert to fraction form
    166,012.31/229,171.20 = 112,459.97/x
  3. Step 3: Cross multiply
    166,012.31x = 229,171.20 × 112,459.97
  4. Step 4: Simplify right side
    166,012.31x = 25,772,586,276.86
  5. Step 5: Solve for x
    x = 25,772,586,276.86/166,012.31
  6. Step 6: Final answer
    x = 155,245.03

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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.