Home / 143,828.46-215,744.72-55,086.48

Finding the Fourth Proportional to 143,828.46, 215,744.72 and 55,086.48

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Solution

The fourth proportional to 143,828.46, 215,744.72 and 55,086.48 is: 82,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,828.46 : 215,744.72 = 55,086.48 : x
  2. Step 2: Convert to fraction form
    143,828.46/215,744.72 = 55,086.48/x
  3. Step 3: Cross multiply
    143,828.46x = 215,744.72 × 55,086.48
  4. Step 4: Simplify right side
    143,828.46x = 11,884,616,927.95
  5. Step 5: Solve for x
    x = 11,884,616,927.95/143,828.46
  6. Step 6: Final answer
    x = 82,630.50

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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.