Home / 89,184.36-133,790.36-30,015.41

Finding the Fourth Proportional to 89,184.36, 133,790.36 and 30,015.41

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Solution

The fourth proportional to 89,184.36, 133,790.36 and 30,015.41 is: 45,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,184.36 : 133,790.36 = 30,015.41 : x
  2. Step 2: Convert to fraction form
    89,184.36/133,790.36 = 30,015.41/x
  3. Step 3: Cross multiply
    89,184.36x = 133,790.36 × 30,015.41
  4. Step 4: Simplify right side
    89,184.36x = 4,015,772,359.37
  5. Step 5: Solve for x
    x = 4,015,772,359.37/89,184.36
  6. Step 6: Final answer
    x = 45,027.76

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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.