Home / 125,670.21-188,639.60-50,839.27

Finding the Fourth Proportional to 125,670.21, 188,639.60 and 50,839.27

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Solution

The fourth proportional to 125,670.21, 188,639.60 and 50,839.27 is: 76,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670.21 : 188,639.60 = 50,839.27 : x
  2. Step 2: Convert to fraction form
    125,670.21/188,639.60 = 50,839.27/x
  3. Step 3: Cross multiply
    125,670.21x = 188,639.60 × 50,839.27
  4. Step 4: Simplify right side
    125,670.21x = 9,590,299,212.59
  5. Step 5: Solve for x
    x = 9,590,299,212.59/125,670.21
  6. Step 6: Final answer
    x = 76,313.23

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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.