Home / 141,820.73-195,708.99-77,291.62

Finding the Fourth Proportional to 141,820.73, 195,708.99 and 77,291.62

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Solution

The fourth proportional to 141,820.73, 195,708.99 and 77,291.62 is: 106,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,820.73 : 195,708.99 = 77,291.62 : x
  2. Step 2: Convert to fraction form
    141,820.73/195,708.99 = 77,291.62/x
  3. Step 3: Cross multiply
    141,820.73x = 195,708.99 × 77,291.62
  4. Step 4: Simplify right side
    141,820.73x = 15,126,664,396.39
  5. Step 5: Solve for x
    x = 15,126,664,396.39/141,820.73
  6. Step 6: Final answer
    x = 106,660.46

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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.