Home / 143,826.24-215,704.75-43,987.30

Finding the Fourth Proportional to 143,826.24, 215,704.75 and 43,987.30

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Solution

The fourth proportional to 143,826.24, 215,704.75 and 43,987.30 is: 65,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,826.24 : 215,704.75 = 43,987.30 : x
  2. Step 2: Convert to fraction form
    143,826.24/215,704.75 = 43,987.30/x
  3. Step 3: Cross multiply
    143,826.24x = 215,704.75 × 43,987.30
  4. Step 4: Simplify right side
    143,826.24x = 9,488,269,549.68
  5. Step 5: Solve for x
    x = 9,488,269,549.68/143,826.24
  6. Step 6: Final answer
    x = 65,970.37

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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.