Home / 125,367.12-187,918.54-41,105.28

Finding the Fourth Proportional to 125,367.12, 187,918.54 and 41,105.28

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Solution

The fourth proportional to 125,367.12, 187,918.54 and 41,105.28 is: 61,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,367.12 : 187,918.54 = 41,105.28 : x
  2. Step 2: Convert to fraction form
    125,367.12/187,918.54 = 41,105.28/x
  3. Step 3: Cross multiply
    125,367.12x = 187,918.54 × 41,105.28
  4. Step 4: Simplify right side
    125,367.12x = 7,724,444,203.89
  5. Step 5: Solve for x
    x = 7,724,444,203.89/125,367.12
  6. Step 6: Final answer
    x = 61,614.59

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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.