Home / 166,432.14-229,676.04-90,980.64

Finding the Fourth Proportional to 166,432.14, 229,676.04 and 90,980.64

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Solution

The fourth proportional to 166,432.14, 229,676.04 and 90,980.64 is: 125,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,432.14 : 229,676.04 = 90,980.64 : x
  2. Step 2: Convert to fraction form
    166,432.14/229,676.04 = 90,980.64/x
  3. Step 3: Cross multiply
    166,432.14x = 229,676.04 × 90,980.64
  4. Step 4: Simplify right side
    166,432.14x = 20,896,073,111.87
  5. Step 5: Solve for x
    x = 20,896,073,111.87/166,432.14
  6. Step 6: Final answer
    x = 125,553.11

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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.