Home / 166,012.32-229,171.20-112,459.98

Finding the Fourth Proportional to 166,012.32, 229,171.20 and 112,459.98

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Solution

The fourth proportional to 166,012.32, 229,171.20 and 112,459.98 is: 155,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,012.32 : 229,171.20 = 112,459.98 : x
  2. Step 2: Convert to fraction form
    166,012.32/229,171.20 = 112,459.98/x
  3. Step 3: Cross multiply
    166,012.32x = 229,171.20 × 112,459.98
  4. Step 4: Simplify right side
    166,012.32x = 25,772,588,568.58
  5. Step 5: Solve for x
    x = 25,772,588,568.58/166,012.32
  6. Step 6: Final answer
    x = 155,245.04

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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.