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Finding the Fourth Proportional to 125,503.65, 188,263.65 and 41,241.27

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Solution

The fourth proportional to 125,503.65, 188,263.65 and 41,241.27 is: 61,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,503.65 : 188,263.65 = 41,241.27 : x
  2. Step 2: Convert to fraction form
    125,503.65/188,263.65 = 41,241.27/x
  3. Step 3: Cross multiply
    125,503.65x = 188,263.65 × 41,241.27
  4. Step 4: Simplify right side
    125,503.65x = 7,764,232,020.84
  5. Step 5: Solve for x
    x = 7,764,232,020.84/125,503.65
  6. Step 6: Final answer
    x = 61,864.59

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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.