Home / 133,219.40-183,837.48-75,866.54

Finding the Fourth Proportional to 133,219.40, 183,837.48 and 75,866.54

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Solution

The fourth proportional to 133,219.40, 183,837.48 and 75,866.54 is: 104,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,219.40 : 183,837.48 = 75,866.54 : x
  2. Step 2: Convert to fraction form
    133,219.40/183,837.48 = 75,866.54/x
  3. Step 3: Cross multiply
    133,219.40x = 183,837.48 × 75,866.54
  4. Step 4: Simplify right side
    133,219.40x = 13,947,113,529.92
  5. Step 5: Solve for x
    x = 13,947,113,529.92/133,219.40
  6. Step 6: Final answer
    x = 104,692.81

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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.