Home / 125,214.12-187,816.32-50,311.80

Finding the Fourth Proportional to 125,214.12, 187,816.32 and 50,311.80

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Solution

The fourth proportional to 125,214.12, 187,816.32 and 50,311.80 is: 75,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,214.12 : 187,816.32 = 50,311.80 : x
  2. Step 2: Convert to fraction form
    125,214.12/187,816.32 = 50,311.80/x
  3. Step 3: Cross multiply
    125,214.12x = 187,816.32 × 50,311.80
  4. Step 4: Simplify right side
    125,214.12x = 9,449,377,128.58
  5. Step 5: Solve for x
    x = 9,449,377,128.58/125,214.12
  6. Step 6: Final answer
    x = 75,465.75

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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.