Home / 166,630.72-229,950.40-91,179.20

Finding the Fourth Proportional to 166,630.72, 229,950.40 and 91,179.20

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Solution

The fourth proportional to 166,630.72, 229,950.40 and 91,179.20 is: 125,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,630.72 : 229,950.40 = 91,179.20 : x
  2. Step 2: Convert to fraction form
    166,630.72/229,950.40 = 91,179.20/x
  3. Step 3: Cross multiply
    166,630.72x = 229,950.40 × 91,179.20
  4. Step 4: Simplify right side
    166,630.72x = 20,966,693,511.68
  5. Step 5: Solve for x
    x = 20,966,693,511.68/166,630.72
  6. Step 6: Final answer
    x = 125,827.30

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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.