Home / 166,440.96-229,688.64-90,989.46

Finding the Fourth Proportional to 166,440.96, 229,688.64 and 90,989.46

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Solution

The fourth proportional to 166,440.96, 229,688.64 and 90,989.46 is: 125,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,440.96 : 229,688.64 = 90,989.46 : x
  2. Step 2: Convert to fraction form
    166,440.96/229,688.64 = 90,989.46/x
  3. Step 3: Cross multiply
    166,440.96x = 229,688.64 × 90,989.46
  4. Step 4: Simplify right side
    166,440.96x = 20,899,245,321.73
  5. Step 5: Solve for x
    x = 20,899,245,321.73/166,440.96
  6. Step 6: Final answer
    x = 125,565.52

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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.