Home / 143,451.41-215,169.32-43,603.82

Finding the Fourth Proportional to 143,451.41, 215,169.32 and 43,603.82

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Solution

The fourth proportional to 143,451.41, 215,169.32 and 43,603.82 is: 65,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,451.41 : 215,169.32 = 43,603.82 : x
  2. Step 2: Convert to fraction form
    143,451.41/215,169.32 = 43,603.82/x
  3. Step 3: Cross multiply
    143,451.41x = 215,169.32 × 43,603.82
  4. Step 4: Simplify right side
    143,451.41x = 9,382,203,004.94
  5. Step 5: Solve for x
    x = 9,382,203,004.94/143,451.41
  6. Step 6: Final answer
    x = 65,403.35

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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.