Home / 166,624.56-229,940.93-90,143.42

Finding the Fourth Proportional to 166,624.56, 229,940.93 and 90,143.42

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Solution

The fourth proportional to 166,624.56, 229,940.93 and 90,143.42 is: 124,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,624.56 : 229,940.93 = 90,143.42 : x
  2. Step 2: Convert to fraction form
    166,624.56/229,940.93 = 90,143.42/x
  3. Step 3: Cross multiply
    166,624.56x = 229,940.93 × 90,143.42
  4. Step 4: Simplify right side
    166,624.56x = 20,727,660,903.83
  5. Step 5: Solve for x
    x = 20,727,660,903.83/166,624.56
  6. Step 6: Final answer
    x = 124,397.39

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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.