Home / 143,716.56-215,557.83-38,542.92

Finding the Fourth Proportional to 143,716.56, 215,557.83 and 38,542.92

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Solution

The fourth proportional to 143,716.56, 215,557.83 and 38,542.92 is: 57,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,716.56 : 215,557.83 = 38,542.92 : x
  2. Step 2: Convert to fraction form
    143,716.56/215,557.83 = 38,542.92/x
  3. Step 3: Cross multiply
    143,716.56x = 215,557.83 × 38,542.92
  4. Step 4: Simplify right side
    143,716.56x = 8,308,228,197.06
  5. Step 5: Solve for x
    x = 8,308,228,197.06/143,716.56
  6. Step 6: Final answer
    x = 57,809.82

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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.