Home / 143,923.36-215,900.40-38,743.84

Finding the Fourth Proportional to 143,923.36, 215,900.40 and 38,743.84

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Solution

The fourth proportional to 143,923.36, 215,900.40 and 38,743.84 is: 58,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,923.36 : 215,900.40 = 38,743.84 : x
  2. Step 2: Convert to fraction form
    143,923.36/215,900.40 = 38,743.84/x
  3. Step 3: Cross multiply
    143,923.36x = 215,900.40 × 38,743.84
  4. Step 4: Simplify right side
    143,923.36x = 8,364,810,553.54
  5. Step 5: Solve for x
    x = 8,364,810,553.54/143,923.36
  6. Step 6: Final answer
    x = 58,119.89

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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.