Home / 125,171.42-187,757.52-31,677.14

Finding the Fourth Proportional to 125,171.42, 187,757.52 and 31,677.14

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Solution

The fourth proportional to 125,171.42, 187,757.52 and 31,677.14 is: 47,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,171.42 : 187,757.52 = 31,677.14 : x
  2. Step 2: Convert to fraction form
    125,171.42/187,757.52 = 31,677.14/x
  3. Step 3: Cross multiply
    125,171.42x = 187,757.52 × 31,677.14
  4. Step 4: Simplify right side
    125,171.42x = 5,947,621,247.09
  5. Step 5: Solve for x
    x = 5,947,621,247.09/125,171.42
  6. Step 6: Final answer
    x = 47,515.81

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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.