Home / 141,772.73-195,646.24-78,110.52

Finding the Fourth Proportional to 141,772.73, 195,646.24 and 78,110.52

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Solution

The fourth proportional to 141,772.73, 195,646.24 and 78,110.52 is: 107,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,772.73 : 195,646.24 = 78,110.52 : x
  2. Step 2: Convert to fraction form
    141,772.73/195,646.24 = 78,110.52/x
  3. Step 3: Cross multiply
    141,772.73x = 195,646.24 × 78,110.52
  4. Step 4: Simplify right side
    141,772.73x = 15,282,029,542.44
  5. Step 5: Solve for x
    x = 15,282,029,542.44/141,772.73
  6. Step 6: Final answer
    x = 107,792.45

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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.