Home / 125,410.14-188,121.39-50,520.18

Finding the Fourth Proportional to 125,410.14, 188,121.39 and 50,520.18

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Solution

The fourth proportional to 125,410.14, 188,121.39 and 50,520.18 is: 75,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,410.14 : 188,121.39 = 50,520.18 : x
  2. Step 2: Convert to fraction form
    125,410.14/188,121.39 = 50,520.18/x
  3. Step 3: Cross multiply
    125,410.14x = 188,121.39 × 50,520.18
  4. Step 4: Simplify right side
    125,410.14x = 9,503,926,484.65
  5. Step 5: Solve for x
    x = 9,503,926,484.65/125,410.14
  6. Step 6: Final answer
    x = 75,782.76

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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.