Home / 108,839.07-150,189.68-61,083.20

Finding the Fourth Proportional to 108,839.07, 150,189.68 and 61,083.20

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Solution

The fourth proportional to 108,839.07, 150,189.68 and 61,083.20 is: 84,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,839.07 : 150,189.68 = 61,083.20 : x
  2. Step 2: Convert to fraction form
    108,839.07/150,189.68 = 61,083.20/x
  3. Step 3: Cross multiply
    108,839.07x = 150,189.68 × 61,083.20
  4. Step 4: Simplify right side
    108,839.07x = 9,174,065,205.01
  5. Step 5: Solve for x
    x = 9,174,065,205.01/108,839.07
  6. Step 6: Final answer
    x = 84,290.18

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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.