Home / 141,361.11-195,073.38-77,698.50

Finding the Fourth Proportional to 141,361.11, 195,073.38 and 77,698.50

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Solution

The fourth proportional to 141,361.11, 195,073.38 and 77,698.50 is: 107,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.11 : 195,073.38 = 77,698.50 : x
  2. Step 2: Convert to fraction form
    141,361.11/195,073.38 = 77,698.50/x
  3. Step 3: Cross multiply
    141,361.11x = 195,073.38 × 77,698.50
  4. Step 4: Simplify right side
    141,361.11x = 15,156,909,015.93
  5. Step 5: Solve for x
    x = 15,156,909,015.93/141,361.11
  6. Step 6: Final answer
    x = 107,221.21

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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.