Home / 141,459.16-195,179.37-89,757.43

Finding the Fourth Proportional to 141,459.16, 195,179.37 and 89,757.43

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Solution

The fourth proportional to 141,459.16, 195,179.37 and 89,757.43 is: 123,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,459.16 : 195,179.37 = 89,757.43 : x
  2. Step 2: Convert to fraction form
    141,459.16/195,179.37 = 89,757.43/x
  3. Step 3: Cross multiply
    141,459.16x = 195,179.37 × 89,757.43
  4. Step 4: Simplify right side
    141,459.16x = 17,518,798,640.22
  5. Step 5: Solve for x
    x = 17,518,798,640.22/141,459.16
  6. Step 6: Final answer
    x = 123,843.51

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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.