Home / 229,147.43-316,226.86-127,179.46

Finding the Fourth Proportional to 229,147.43, 316,226.86 and 127,179.46

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Solution

The fourth proportional to 229,147.43, 316,226.86 and 127,179.46 is: 175,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,147.43 : 316,226.86 = 127,179.46 : x
  2. Step 2: Convert to fraction form
    229,147.43/316,226.86 = 127,179.46/x
  3. Step 3: Cross multiply
    229,147.43x = 316,226.86 × 127,179.46
  4. Step 4: Simplify right side
    229,147.43x = 40,217,560,183.78
  5. Step 5: Solve for x
    x = 40,217,560,183.78/229,147.43
  6. Step 6: Final answer
    x = 175,509.54

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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.