Home / 188,373.28-259,954.72-103,487.36

Finding the Fourth Proportional to 188,373.28, 259,954.72 and 103,487.36

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Solution

The fourth proportional to 188,373.28, 259,954.72 and 103,487.36 is: 142,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,373.28 : 259,954.72 = 103,487.36 : x
  2. Step 2: Convert to fraction form
    188,373.28/259,954.72 = 103,487.36/x
  3. Step 3: Cross multiply
    188,373.28x = 259,954.72 × 103,487.36
  4. Step 4: Simplify right side
    188,373.28x = 26,902,027,692.34
  5. Step 5: Solve for x
    x = 26,902,027,692.34/188,373.28
  6. Step 6: Final answer
    x = 142,812.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.