Home / 166,277.12-229,462.64-90,825.64

Finding the Fourth Proportional to 166,277.12, 229,462.64 and 90,825.64

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Solution

The fourth proportional to 166,277.12, 229,462.64 and 90,825.64 is: 125,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,277.12 : 229,462.64 = 90,825.64 : x
  2. Step 2: Convert to fraction form
    166,277.12/229,462.64 = 90,825.64/x
  3. Step 3: Cross multiply
    166,277.12x = 229,462.64 × 90,825.64
  4. Step 4: Simplify right side
    166,277.12x = 20,841,091,134.09
  5. Step 5: Solve for x
    x = 20,841,091,134.09/166,277.12
  6. Step 6: Final answer
    x = 125,339.50

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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.