Home / 143,954.96-215,966.46-55,206.50

Finding the Fourth Proportional to 143,954.96, 215,966.46 and 55,206.50

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Solution

The fourth proportional to 143,954.96, 215,966.46 and 55,206.50 is: 82,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,954.96 : 215,966.46 = 55,206.50 : x
  2. Step 2: Convert to fraction form
    143,954.96/215,966.46 = 55,206.50/x
  3. Step 3: Cross multiply
    143,954.96x = 215,966.46 × 55,206.50
  4. Step 4: Simplify right side
    143,954.96x = 11,922,752,373.99
  5. Step 5: Solve for x
    x = 11,922,752,373.99/143,954.96
  6. Step 6: Final answer
    x = 82,822.80

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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.