Home / 166,629.32-229,947.50-90,148.18

Finding the Fourth Proportional to 166,629.32, 229,947.50 and 90,148.18

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Solution

The fourth proportional to 166,629.32, 229,947.50 and 90,148.18 is: 124,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,629.32 : 229,947.50 = 90,148.18 : x
  2. Step 2: Convert to fraction form
    166,629.32/229,947.50 = 90,148.18/x
  3. Step 3: Cross multiply
    166,629.32x = 229,947.50 × 90,148.18
  4. Step 4: Simplify right side
    166,629.32x = 20,729,348,620.55
  5. Step 5: Solve for x
    x = 20,729,348,620.55/166,629.32
  6. Step 6: Final answer
    x = 124,403.97

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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.