Home / 89,137.26-133,694.64-29,160.72

Finding the Fourth Proportional to 89,137.26, 133,694.64 and 29,160.72

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Solution

The fourth proportional to 89,137.26, 133,694.64 and 29,160.72 is: 43,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.26 : 133,694.64 = 29,160.72 : x
  2. Step 2: Convert to fraction form
    89,137.26/133,694.64 = 29,160.72/x
  3. Step 3: Cross multiply
    89,137.26x = 133,694.64 × 29,160.72
  4. Step 4: Simplify right side
    89,137.26x = 3,898,631,962.54
  5. Step 5: Solve for x
    x = 3,898,631,962.54/89,137.26
  6. Step 6: Final answer
    x = 43,737.40

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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.