Home / 143,917.28-215,900.88-44,075.12

Finding the Fourth Proportional to 143,917.28, 215,900.88 and 44,075.12

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Solution

The fourth proportional to 143,917.28, 215,900.88 and 44,075.12 is: 66,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,917.28 : 215,900.88 = 44,075.12 : x
  2. Step 2: Convert to fraction form
    143,917.28/215,900.88 = 44,075.12/x
  3. Step 3: Cross multiply
    143,917.28x = 215,900.88 × 44,075.12
  4. Step 4: Simplify right side
    143,917.28x = 9,515,857,194.11
  5. Step 5: Solve for x
    x = 9,515,857,194.11/143,917.28
  6. Step 6: Final answer
    x = 66,120.32

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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.