Home / 134,914.46-186,180.90-74,485.04

Finding the Fourth Proportional to 134,914.46, 186,180.90 and 74,485.04

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Solution

The fourth proportional to 134,914.46, 186,180.90 and 74,485.04 is: 102,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,914.46 : 186,180.90 = 74,485.04 : x
  2. Step 2: Convert to fraction form
    134,914.46/186,180.90 = 74,485.04/x
  3. Step 3: Cross multiply
    134,914.46x = 186,180.90 × 74,485.04
  4. Step 4: Simplify right side
    134,914.46x = 13,867,691,783.74
  5. Step 5: Solve for x
    x = 13,867,691,783.74/134,914.46
  6. Step 6: Final answer
    x = 102,788.77

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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.