Home / 143,589.48-215,395.26-43,758.12

Finding the Fourth Proportional to 143,589.48, 215,395.26 and 43,758.12

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Solution

The fourth proportional to 143,589.48, 215,395.26 and 43,758.12 is: 65,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,589.48 : 215,395.26 = 43,758.12 : x
  2. Step 2: Convert to fraction form
    143,589.48/215,395.26 = 43,758.12/x
  3. Step 3: Cross multiply
    143,589.48x = 215,395.26 × 43,758.12
  4. Step 4: Simplify right side
    143,589.48x = 9,425,291,634.51
  5. Step 5: Solve for x
    x = 9,425,291,634.51/143,589.48
  6. Step 6: Final answer
    x = 65,640.54

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1.5x scale

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.