Home / 125,212.84-187,942.25-91,837.87

Finding the Fourth Proportional to 125,212.84, 187,942.25 and 91,837.87

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Solution

The fourth proportional to 125,212.84, 187,942.25 and 91,837.87 is: 137,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,212.84 : 187,942.25 = 91,837.87 : x
  2. Step 2: Convert to fraction form
    125,212.84/187,942.25 = 91,837.87/x
  3. Step 3: Cross multiply
    125,212.84x = 187,942.25 × 91,837.87
  4. Step 4: Simplify right side
    125,212.84x = 17,260,215,923.01
  5. Step 5: Solve for x
    x = 17,260,215,923.01/125,212.84
  6. Step 6: Final answer
    x = 137,847.01

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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.