Home / 166,232.64-229,390.08-90,780.96

Finding the Fourth Proportional to 166,232.64, 229,390.08 and 90,780.96

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Solution

The fourth proportional to 166,232.64, 229,390.08 and 90,780.96 is: 125,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,232.64 : 229,390.08 = 90,780.96 : x
  2. Step 2: Convert to fraction form
    166,232.64/229,390.08 = 90,780.96/x
  3. Step 3: Cross multiply
    166,232.64x = 229,390.08 × 90,780.96
  4. Step 4: Simplify right side
    166,232.64x = 20,824,251,676.88
  5. Step 5: Solve for x
    x = 20,824,251,676.88/166,232.64
  6. Step 6: Final answer
    x = 125,271.74

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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.