Home / 134,805.75-186,028.83-74,376.36

Finding the Fourth Proportional to 134,805.75, 186,028.83 and 74,376.36

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Solution

The fourth proportional to 134,805.75, 186,028.83 and 74,376.36 is: 102,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,805.75 : 186,028.83 = 74,376.36 : x
  2. Step 2: Convert to fraction form
    134,805.75/186,028.83 = 74,376.36/x
  3. Step 3: Cross multiply
    134,805.75x = 186,028.83 × 74,376.36
  4. Step 4: Simplify right side
    134,805.75x = 13,836,147,230.46
  5. Step 5: Solve for x
    x = 13,836,147,230.46/134,805.75
  6. Step 6: Final answer
    x = 102,637.66

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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.