Home / 143,795.88-215,703-43,959.60

Finding the Fourth Proportional to 143,795.88, 215,703 and 43,959.60

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Solution

The fourth proportional to 143,795.88, 215,703 and 43,959.60 is: 65,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,795.88 : 215,703 = 43,959.60 : x
  2. Step 2: Convert to fraction form
    143,795.88/215,703 = 43,959.60/x
  3. Step 3: Cross multiply
    143,795.88x = 215,703 × 43,959.60
  4. Step 4: Simplify right side
    143,795.88x = 9,482,217,598.80
  5. Step 5: Solve for x
    x = 9,482,217,598.80/143,795.88
  6. Step 6: Final answer
    x = 65,942.21

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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.