Home / 141,583.52-195,385.14-77,921.37

Finding the Fourth Proportional to 141,583.52, 195,385.14 and 77,921.37

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Solution

The fourth proportional to 141,583.52, 195,385.14 and 77,921.37 is: 107,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,583.52 : 195,385.14 = 77,921.37 : x
  2. Step 2: Convert to fraction form
    141,583.52/195,385.14 = 77,921.37/x
  3. Step 3: Cross multiply
    141,583.52x = 195,385.14 × 77,921.37
  4. Step 4: Simplify right side
    141,583.52x = 15,224,677,786.44
  5. Step 5: Solve for x
    x = 15,224,677,786.44/141,583.52
  6. Step 6: Final answer
    x = 107,531.43

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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.