Home / 143,909.83-215,845.30-38,735.11

Finding the Fourth Proportional to 143,909.83, 215,845.30 and 38,735.11

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Solution

The fourth proportional to 143,909.83, 215,845.30 and 38,735.11 is: 58,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,909.83 : 215,845.30 = 38,735.11 : x
  2. Step 2: Convert to fraction form
    143,909.83/215,845.30 = 38,735.11/x
  3. Step 3: Cross multiply
    143,909.83x = 215,845.30 × 38,735.11
  4. Step 4: Simplify right side
    143,909.83x = 8,360,790,165.58
  5. Step 5: Solve for x
    x = 8,360,790,165.58/143,909.83
  6. Step 6: Final answer
    x = 58,097.42

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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.