Home / 95,347.28-143,067-39,228.80

Finding the Fourth Proportional to 95,347.28, 143,067 and 39,228.80

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Solution

The fourth proportional to 95,347.28, 143,067 and 39,228.80 is: 58,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,347.28 : 143,067 = 39,228.80 : x
  2. Step 2: Convert to fraction form
    95,347.28/143,067 = 39,228.80/x
  3. Step 3: Cross multiply
    95,347.28x = 143,067 × 39,228.80
  4. Step 4: Simplify right side
    95,347.28x = 5,612,346,729.60
  5. Step 5: Solve for x
    x = 5,612,346,729.60/95,347.28
  6. Step 6: Final answer
    x = 58,862.16

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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.