Home / 166,378.11-229,598.42-90,927.15

Finding the Fourth Proportional to 166,378.11, 229,598.42 and 90,927.15

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Solution

The fourth proportional to 166,378.11, 229,598.42 and 90,927.15 is: 125,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,378.11 : 229,598.42 = 90,927.15 : x
  2. Step 2: Convert to fraction form
    166,378.11/229,598.42 = 90,927.15/x
  3. Step 3: Cross multiply
    166,378.11x = 229,598.42 × 90,927.15
  4. Step 4: Simplify right side
    166,378.11x = 20,876,729,520.47
  5. Step 5: Solve for x
    x = 20,876,729,520.47/166,378.11
  6. Step 6: Final answer
    x = 125,477.62

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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.