Home / 125,072.75-187,628.57-41,986.19

Finding the Fourth Proportional to 125,072.75, 187,628.57 and 41,986.19

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Solution

The fourth proportional to 125,072.75, 187,628.57 and 41,986.19 is: 62,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,072.75 : 187,628.57 = 41,986.19 : x
  2. Step 2: Convert to fraction form
    125,072.75/187,628.57 = 41,986.19/x
  3. Step 3: Cross multiply
    125,072.75x = 187,628.57 × 41,986.19
  4. Step 4: Simplify right side
    125,072.75x = 7,877,808,789.45
  5. Step 5: Solve for x
    x = 7,877,808,789.45/125,072.75
  6. Step 6: Final answer
    x = 62,985.81

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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.