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Finding the Fourth Proportional to 89,735.60, 134,603.40 and 88,007.60

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Solution

The fourth proportional to 89,735.60, 134,603.40 and 88,007.60 is: 132,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,735.60 : 134,603.40 = 88,007.60 : x
  2. Step 2: Convert to fraction form
    89,735.60/134,603.40 = 88,007.60/x
  3. Step 3: Cross multiply
    89,735.60x = 134,603.40 × 88,007.60
  4. Step 4: Simplify right side
    89,735.60x = 11,846,122,185.84
  5. Step 5: Solve for x
    x = 11,846,122,185.84/89,735.60
  6. Step 6: Final answer
    x = 132,011.40

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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.