Home / 110,759.13-166,138.79-31,873.46

Finding the Fourth Proportional to 110,759.13, 166,138.79 and 31,873.46

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Solution

The fourth proportional to 110,759.13, 166,138.79 and 31,873.46 is: 47,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,759.13 : 166,138.79 = 31,873.46 : x
  2. Step 2: Convert to fraction form
    110,759.13/166,138.79 = 31,873.46/x
  3. Step 3: Cross multiply
    110,759.13x = 166,138.79 × 31,873.46
  4. Step 4: Simplify right side
    110,759.13x = 5,295,417,087.45
  5. Step 5: Solve for x
    x = 5,295,417,087.45/110,759.13
  6. Step 6: Final answer
    x = 47,810.21

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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.