Home / 143,043.59-214,706.63-107,380.91

Finding the Fourth Proportional to 143,043.59, 214,706.63 and 107,380.91

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Solution

The fourth proportional to 143,043.59, 214,706.63 and 107,380.91 is: 161,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,043.59 : 214,706.63 = 107,380.91 : x
  2. Step 2: Convert to fraction form
    143,043.59/214,706.63 = 107,380.91/x
  3. Step 3: Cross multiply
    143,043.59x = 214,706.63 × 107,380.91
  4. Step 4: Simplify right side
    143,043.59x = 23,055,394,117.65
  5. Step 5: Solve for x
    x = 23,055,394,117.65/143,043.59
  6. Step 6: Final answer
    x = 161,177.40

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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.