Home / 95,438.40-143,216.10-39,305.40

Finding the Fourth Proportional to 95,438.40, 143,216.10 and 39,305.40

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Solution

The fourth proportional to 95,438.40, 143,216.10 and 39,305.40 is: 58,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,438.40 : 143,216.10 = 39,305.40 : x
  2. Step 2: Convert to fraction form
    95,438.40/143,216.10 = 39,305.40/x
  3. Step 3: Cross multiply
    95,438.40x = 143,216.10 × 39,305.40
  4. Step 4: Simplify right side
    95,438.40x = 5,629,166,096.94
  5. Step 5: Solve for x
    x = 5,629,166,096.94/95,438.40
  6. Step 6: Final answer
    x = 58,982.19

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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.