Home / 110,919.80-166,347.30-39,834.20

Finding the Fourth Proportional to 110,919.80, 166,347.30 and 39,834.20

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Solution

The fourth proportional to 110,919.80, 166,347.30 and 39,834.20 is: 59,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,919.80 : 166,347.30 = 39,834.20 : x
  2. Step 2: Convert to fraction form
    110,919.80/166,347.30 = 39,834.20/x
  3. Step 3: Cross multiply
    110,919.80x = 166,347.30 × 39,834.20
  4. Step 4: Simplify right side
    110,919.80x = 6,626,311,617.66
  5. Step 5: Solve for x
    x = 6,626,311,617.66/110,919.80
  6. Step 6: Final answer
    x = 59,739.66

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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.