Home / 146,391.66-219,431.94-57,632.94

Finding the Fourth Proportional to 146,391.66, 219,431.94 and 57,632.94

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Solution

The fourth proportional to 146,391.66, 219,431.94 and 57,632.94 is: 86,388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,391.66 : 219,431.94 = 57,632.94 : x
  2. Step 2: Convert to fraction form
    146,391.66/219,431.94 = 57,632.94/x
  3. Step 3: Cross multiply
    146,391.66x = 219,431.94 × 57,632.94
  4. Step 4: Simplify right side
    146,391.66x = 12,646,507,832.10
  5. Step 5: Solve for x
    x = 12,646,507,832.10/146,391.66
  6. Step 6: Final answer
    x = 86,388.17

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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.