Home / 166,863.16-230,271.24-90,382.03

Finding the Fourth Proportional to 166,863.16, 230,271.24 and 90,382.03

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Solution

The fourth proportional to 166,863.16, 230,271.24 and 90,382.03 is: 124,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,863.16 : 230,271.24 = 90,382.03 : x
  2. Step 2: Convert to fraction form
    166,863.16/230,271.24 = 90,382.03/x
  3. Step 3: Cross multiply
    166,863.16x = 230,271.24 × 90,382.03
  4. Step 4: Simplify right side
    166,863.16x = 20,812,380,775.45
  5. Step 5: Solve for x
    x = 20,812,380,775.45/166,863.16
  6. Step 6: Final answer
    x = 124,727.24

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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.