Home / 161,580.63-223,076.75-143,623.73

Finding the Fourth Proportional to 161,580.63, 223,076.75 and 143,623.73

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Solution

The fourth proportional to 161,580.63, 223,076.75 and 143,623.73 is: 198,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,580.63 : 223,076.75 = 143,623.73 : x
  2. Step 2: Convert to fraction form
    161,580.63/223,076.75 = 143,623.73/x
  3. Step 3: Cross multiply
    161,580.63x = 223,076.75 × 143,623.73
  4. Step 4: Simplify right side
    161,580.63x = 32,039,114,450.03
  5. Step 5: Solve for x
    x = 32,039,114,450.03/161,580.63
  6. Step 6: Final answer
    x = 198,285.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.