Home / 143,361.90-215,035.97-59,120.69

Finding the Fourth Proportional to 143,361.90, 215,035.97 and 59,120.69

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Solution

The fourth proportional to 143,361.90, 215,035.97 and 59,120.69 is: 88,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,361.90 : 215,035.97 = 59,120.69 : x
  2. Step 2: Convert to fraction form
    143,361.90/215,035.97 = 59,120.69/x
  3. Step 3: Cross multiply
    143,361.90x = 215,035.97 × 59,120.69
  4. Step 4: Simplify right side
    143,361.90x = 12,713,073,550.44
  5. Step 5: Solve for x
    x = 12,713,073,550.44/143,361.90
  6. Step 6: Final answer
    x = 88,678.19

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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.