Home / 89,297.64-133,942.41-30,132

Finding the Fourth Proportional to 89,297.64, 133,942.41 and 30,132

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Solution

The fourth proportional to 89,297.64, 133,942.41 and 30,132 is: 45,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,297.64 : 133,942.41 = 30,132 : x
  2. Step 2: Convert to fraction form
    89,297.64/133,942.41 = 30,132/x
  3. Step 3: Cross multiply
    89,297.64x = 133,942.41 × 30,132
  4. Step 4: Simplify right side
    89,297.64x = 4,035,952,698.12
  5. Step 5: Solve for x
    x = 4,035,952,698.12/89,297.64
  6. Step 6: Final answer
    x = 45,196.63

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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.