Home / 95,128.04-131,277.66-57,395

Finding the Fourth Proportional to 95,128.04, 131,277.66 and 57,395

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Solution

The fourth proportional to 95,128.04, 131,277.66 and 57,395 is: 79,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,128.04 : 131,277.66 = 57,395 : x
  2. Step 2: Convert to fraction form
    95,128.04/131,277.66 = 57,395/x
  3. Step 3: Cross multiply
    95,128.04x = 131,277.66 × 57,395
  4. Step 4: Simplify right side
    95,128.04x = 7,534,681,295.70
  5. Step 5: Solve for x
    x = 7,534,681,295.70/95,128.04
  6. Step 6: Final answer
    x = 79,205.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.