Home / 133,184.07-183,797.97-72,755.72

Finding the Fourth Proportional to 133,184.07, 183,797.97 and 72,755.72

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Solution

The fourth proportional to 133,184.07, 183,797.97 and 72,755.72 is: 100,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,184.07 : 183,797.97 = 72,755.72 : x
  2. Step 2: Convert to fraction form
    133,184.07/183,797.97 = 72,755.72/x
  3. Step 3: Cross multiply
    133,184.07x = 183,797.97 × 72,755.72
  4. Step 4: Simplify right side
    133,184.07x = 13,372,352,359.12
  5. Step 5: Solve for x
    x = 13,372,352,359.12/133,184.07
  6. Step 6: Final answer
    x = 100,405.04

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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.