Home / 133,078.10-199,289.10-88,463.30

Finding the Fourth Proportional to 133,078.10, 199,289.10 and 88,463.30

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Solution

The fourth proportional to 133,078.10, 199,289.10 and 88,463.30 is: 132,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,078.10 : 199,289.10 = 88,463.30 : x
  2. Step 2: Convert to fraction form
    133,078.10/199,289.10 = 88,463.30/x
  3. Step 3: Cross multiply
    133,078.10x = 199,289.10 × 88,463.30
  4. Step 4: Simplify right side
    133,078.10x = 17,629,771,440.03
  5. Step 5: Solve for x
    x = 17,629,771,440.03/133,078.10
  6. Step 6: Final answer
    x = 132,476.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.