Home / 89,845.89-134,426.21-54,175.92

Finding the Fourth Proportional to 89,845.89, 134,426.21 and 54,175.92

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Solution

The fourth proportional to 89,845.89, 134,426.21 and 54,175.92 is: 81,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,845.89 : 134,426.21 = 54,175.92 : x
  2. Step 2: Convert to fraction form
    89,845.89/134,426.21 = 54,175.92/x
  3. Step 3: Cross multiply
    89,845.89x = 134,426.21 × 54,175.92
  4. Step 4: Simplify right side
    89,845.89x = 7,282,663,327.98
  5. Step 5: Solve for x
    x = 7,282,663,327.98/89,845.89
  6. Step 6: Final answer
    x = 81,057.28

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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.