Home / 166,323.75-229,526.78-90,872.79

Finding the Fourth Proportional to 166,323.75, 229,526.78 and 90,872.79

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Solution

The fourth proportional to 166,323.75, 229,526.78 and 90,872.79 is: 125,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,323.75 : 229,526.78 = 90,872.79 : x
  2. Step 2: Convert to fraction form
    166,323.75/229,526.78 = 90,872.79/x
  3. Step 3: Cross multiply
    166,323.75x = 229,526.78 × 90,872.79
  4. Step 4: Simplify right side
    166,323.75x = 20,857,738,423.95
  5. Step 5: Solve for x
    x = 20,857,738,423.95/166,323.75
  6. Step 6: Final answer
    x = 125,404.45

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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.