Home / 102,904.52-142,003.41-57,588.26

Finding the Fourth Proportional to 102,904.52, 142,003.41 and 57,588.26

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Solution

The fourth proportional to 102,904.52, 142,003.41 and 57,588.26 is: 79,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.52 : 142,003.41 = 57,588.26 : x
  2. Step 2: Convert to fraction form
    102,904.52/142,003.41 = 57,588.26/x
  3. Step 3: Cross multiply
    102,904.52x = 142,003.41 × 57,588.26
  4. Step 4: Simplify right side
    102,904.52x = 8,177,729,295.97
  5. Step 5: Solve for x
    x = 8,177,729,295.97/102,904.52
  6. Step 6: Final answer
    x = 79,469.10

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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.