Home / 143,542.58-215,346.64-43,716.92

Finding the Fourth Proportional to 143,542.58, 215,346.64 and 43,716.92

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Solution

The fourth proportional to 143,542.58, 215,346.64 and 43,716.92 is: 65,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,542.58 : 215,346.64 = 43,716.92 : x
  2. Step 2: Convert to fraction form
    143,542.58/215,346.64 = 43,716.92/x
  3. Step 3: Cross multiply
    143,542.58x = 215,346.64 × 43,716.92
  4. Step 4: Simplify right side
    143,542.58x = 9,414,291,833.15
  5. Step 5: Solve for x
    x = 9,414,291,833.15/143,542.58
  6. Step 6: Final answer
    x = 65,585.36

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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.