Home / 166,455.84-229,712.58-91,002.72

Finding the Fourth Proportional to 166,455.84, 229,712.58 and 91,002.72

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Solution

The fourth proportional to 166,455.84, 229,712.58 and 91,002.72 is: 125,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,455.84 : 229,712.58 = 91,002.72 : x
  2. Step 2: Convert to fraction form
    166,455.84/229,712.58 = 91,002.72/x
  3. Step 3: Cross multiply
    166,455.84x = 229,712.58 × 91,002.72
  4. Step 4: Simplify right side
    166,455.84x = 20,904,469,598.22
  5. Step 5: Solve for x
    x = 20,904,469,598.22/166,455.84
  6. Step 6: Final answer
    x = 125,585.68

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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.