Home / 166,579.76-229,885.50-91,128.26

Finding the Fourth Proportional to 166,579.76, 229,885.50 and 91,128.26

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Solution

The fourth proportional to 166,579.76, 229,885.50 and 91,128.26 is: 125,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,579.76 : 229,885.50 = 91,128.26 : x
  2. Step 2: Convert to fraction form
    166,579.76/229,885.50 = 91,128.26/x
  3. Step 3: Cross multiply
    166,579.76x = 229,885.50 × 91,128.26
  4. Step 4: Simplify right side
    166,579.76x = 20,949,064,009.16
  5. Step 5: Solve for x
    x = 20,949,064,009.16/166,579.76
  6. Step 6: Final answer
    x = 125,759.96

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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.