Home / 111,285.64-166,811.82-41,120.20

Finding the Fourth Proportional to 111,285.64, 166,811.82 and 41,120.20

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Solution

The fourth proportional to 111,285.64, 166,811.82 and 41,120.20 is: 61,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,285.64 : 166,811.82 = 41,120.20 : x
  2. Step 2: Convert to fraction form
    111,285.64/166,811.82 = 41,120.20/x
  3. Step 3: Cross multiply
    111,285.64x = 166,811.82 × 41,120.20
  4. Step 4: Simplify right side
    111,285.64x = 6,859,335,400.76
  5. Step 5: Solve for x
    x = 6,859,335,400.76/111,285.64
  6. Step 6: Final answer
    x = 61,637.20

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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.