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Finding the Fourth Proportional to 141,720.57, 195,567 and 88,004.43

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Solution

The fourth proportional to 141,720.57, 195,567 and 88,004.43 is: 121,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,720.57 : 195,567 = 88,004.43 : x
  2. Step 2: Convert to fraction form
    141,720.57/195,567 = 88,004.43/x
  3. Step 3: Cross multiply
    141,720.57x = 195,567 × 88,004.43
  4. Step 4: Simplify right side
    141,720.57x = 17,210,762,361.81
  5. Step 5: Solve for x
    x = 17,210,762,361.81/141,720.57
  6. Step 6: Final answer
    x = 121,441.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.