Home / 143,418.77-215,119.94-54,681.24

Finding the Fourth Proportional to 143,418.77, 215,119.94 and 54,681.24

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Solution

The fourth proportional to 143,418.77, 215,119.94 and 54,681.24 is: 82,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,418.77 : 215,119.94 = 54,681.24 : x
  2. Step 2: Convert to fraction form
    143,418.77/215,119.94 = 54,681.24/x
  3. Step 3: Cross multiply
    143,418.77x = 215,119.94 × 54,681.24
  4. Step 4: Simplify right side
    143,418.77x = 11,763,024,794.52
  5. Step 5: Solve for x
    x = 11,763,024,794.52/143,418.77
  6. Step 6: Final answer
    x = 82,018.73

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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.