Home / 111,187.32-166,790.16-36,305.80

Finding the Fourth Proportional to 111,187.32, 166,790.16 and 36,305.80

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Solution

The fourth proportional to 111,187.32, 166,790.16 and 36,305.80 is: 54,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.32 : 166,790.16 = 36,305.80 : x
  2. Step 2: Convert to fraction form
    111,187.32/166,790.16 = 36,305.80/x
  3. Step 3: Cross multiply
    111,187.32x = 166,790.16 × 36,305.80
  4. Step 4: Simplify right side
    111,187.32x = 6,055,450,190.93
  5. Step 5: Solve for x
    x = 6,055,450,190.93/111,187.32
  6. Step 6: Final answer
    x = 54,461.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.