Home / 109,385.20-150,963.75-69,097.02

Finding the Fourth Proportional to 109,385.20, 150,963.75 and 69,097.02

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Solution

The fourth proportional to 109,385.20, 150,963.75 and 69,097.02 is: 95,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,385.20 : 150,963.75 = 69,097.02 : x
  2. Step 2: Convert to fraction form
    109,385.20/150,963.75 = 69,097.02/x
  3. Step 3: Cross multiply
    109,385.20x = 150,963.75 × 69,097.02
  4. Step 4: Simplify right side
    109,385.20x = 10,431,145,253.03
  5. Step 5: Solve for x
    x = 10,431,145,253.03/109,385.20
  6. Step 6: Final answer
    x = 95,361.58

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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.