Home / 141,765.99-195,665.40-81,377.46

Finding the Fourth Proportional to 141,765.99, 195,665.40 and 81,377.46

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Solution

The fourth proportional to 141,765.99, 195,665.40 and 81,377.46 is: 112,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,765.99 : 195,665.40 = 81,377.46 : x
  2. Step 2: Convert to fraction form
    141,765.99/195,665.40 = 81,377.46/x
  3. Step 3: Cross multiply
    141,765.99x = 195,665.40 × 81,377.46
  4. Step 4: Simplify right side
    141,765.99x = 15,922,753,261.88
  5. Step 5: Solve for x
    x = 15,922,753,261.88/141,765.99
  6. Step 6: Final answer
    x = 112,317.16

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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.