Home / 166,284.72-229,464.36-90,818.64

Finding the Fourth Proportional to 166,284.72, 229,464.36 and 90,818.64

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Solution

The fourth proportional to 166,284.72, 229,464.36 and 90,818.64 is: 125,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,284.72 : 229,464.36 = 90,818.64 : x
  2. Step 2: Convert to fraction form
    166,284.72/229,464.36 = 90,818.64/x
  3. Step 3: Cross multiply
    166,284.72x = 229,464.36 × 90,818.64
  4. Step 4: Simplify right side
    166,284.72x = 20,839,641,103.67
  5. Step 5: Solve for x
    x = 20,839,641,103.67/166,284.72
  6. Step 6: Final answer
    x = 125,325.05

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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.